<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
<!--Generated by ThunderDome XBRL - 02:27PM UTC 2020-10-25--><xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:country="http://xbrl.sec.gov/country/2020-01-31" xmlns:currency="http://xbrl.sec.gov/currency/2020-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2020-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:naics="http://xbrl.sec.gov/naics/2011-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:sgc="http://www.superioruniformgroup.com/20200930" xmlns:sic="http://xbrl.sec.gov/sic/2020-01-31" xmlns:srt="http://fasb.org/srt/2020-01-31" xmlns:srt-types="http://fasb.org/srt-types/2020-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2018-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2020-01-31" xmlns:us-types="http://fasb.org/us-types/2020-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.superioruniformgroup.com/20200930">
  <xsd:import namespace="http://xbrl.sec.gov/sic/2020-01-31" schemaLocation="https://xbrl.sec.gov/sic/2020/sic-2020-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/exch/2020-01-31" schemaLocation="https://xbrl.sec.gov/exch/2020/exch-2020-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xsd:import namespace="http://fasb.org/us-gaap/2020-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/country/2020-01-31" schemaLocation="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd"/>
  <xsd:import namespace="http://fasb.org/us-types/2020-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-types-2020-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2018-01-31" schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/currency/2020-01-31" schemaLocation="https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd"/>
  <xsd:import namespace="http://fasb.org/srt-types/2020-01-31" schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-types-2020-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xsd:import namespace="http://fasb.org/srt/2020-01-31" schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sgc-20200930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sgc-20200930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sgc-20200930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sgc-20200930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="statement-document-and-entity-information" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-document-and-entity-information">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">000 - Document - Document And Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-statements-of-comprehensive-income-unaudited" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-condensed-consolidated-statements-of-comprehensive-income-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">001 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-balance-sheets-current-period-unaudited" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-balance-sheets-current-period-unaudited-parentheticals" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">003 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-statements-of-shareholders-equity-unaudited" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-condensed-consolidated-statements-of-shareholders-equity-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">004 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-statements-of-shareholders-equity-unaudited-parentheticals" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-condensed-consolidated-statements-of-shareholders-equity-unaudited-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">005 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-statements-of-cash-flows-unaudited" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-condensed-consolidated-statements-of-cash-flows-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-basis-of-presentation" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-1-basis-of-presentation">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">007 - Disclosure - Note 1 - Basis of Presentation</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-inventories" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-2-inventories">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">008 - Disclosure - Note 2 - Inventories</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-longterm-debt" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-3-longterm-debt">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">009 - Disclosure - Note 3 - Long-term Debt</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-periodic-pension-expense" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-4-periodic-pension-expense">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">010 - Disclosure - Note 4 - Periodic Pension Expense</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-net-sales" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-5-net-sales">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">011 - Disclosure - Note 5 - Net Sales</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-contingencies" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-6-contingencies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">012 - Disclosure - Note 6 - Contingencies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-sharebased-compensation" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-7-sharebased-compensation">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">013 - Disclosure - Note 7 - Share-based Compensation</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-income-taxes" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-8-income-taxes">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">014 - Disclosure - Note 8 - Income Taxes</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-net-income-per-share" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-9-net-income-per-share">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">015 - Disclosure - Note 9 - Net Income Per Share</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-operating-segment-information" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-10-operating-segment-information">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">016 - Disclosure - Note 10 - Operating Segment Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-covid19" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-11-covid19">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">017 - Disclosure - Note 11 - COVID-19</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-significant-accounting-policies-policies" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-significant-accounting-policies-policies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">018 - Disclosure - Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-inventories-tables" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-2-inventories-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">019 - Disclosure - Note 2 - Inventories (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-longterm-debt-tables" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-3-longterm-debt-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">020 - Disclosure - Note 3 - Long-term Debt (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-periodic-pension-expense-tables" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-4-periodic-pension-expense-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">021 - Disclosure - Note 4 - Periodic Pension Expense (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-net-sales-tables" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-5-net-sales-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">022 - Disclosure - Note 5 - Net Sales (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-sharebased-compensation-tables" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-7-sharebased-compensation-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">023 - Disclosure - Note 7 - Share-based Compensation (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-net-income-per-share-tables" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-9-net-income-per-share-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">024 - Disclosure - Note 9 - Net Income Per Share (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-operating-segment-information-tables" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-10-operating-segment-information-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">025 - Disclosure - Note 10 - Operating Segment Information (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-basis-of-presentation-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-1-basis-of-presentation-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">026 - Disclosure - Note 1 - Basis of Presentation (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-inventories-inventories-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-2-inventories-inventories-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">027 - Disclosure - Note 2 - Inventories - Inventories (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-longterm-debt-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-3-longterm-debt-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">028 - Disclosure - Note 3 - Long-term Debt (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-longterm-debt-longterm-debt-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-3-longterm-debt-longterm-debt-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">029 - Disclosure - Note 3 - Long-term Debt - Long-term Debt (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-periodic-pension-expense-net-periodic-benefit-cost-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-4-periodic-pension-expense-net-periodic-benefit-cost-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">030 - Disclosure - Note 4 - Periodic Pension Expense - Net Periodic Benefit Cost (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-net-sales-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-5-net-sales-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">031 - Disclosure - Note 5 - Net Sales (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-net-sales-disaggregated-revenue-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-5-net-sales-disaggregated-revenue-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">032 - Disclosure - Note 5 - Net Sales - Disaggregated Revenue (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-net-sales-accounts-receivables-and-contract-assets-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-5-net-sales-accounts-receivables-and-contract-assets-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">033 - Disclosure - Note 5 - Net Sales - Accounts Receivables and Contract Assets (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-contingencies-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-6-contingencies-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">034 - Disclosure - Note 6 - Contingencies (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-sharebased-compensation-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-7-sharebased-compensation-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">035 - Disclosure - Note 7 - Share-based Compensation (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-sharebased-compensation-sharedbased-compensation-expense-and-the-related-tax-benefit-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-7-sharebased-compensation-sharedbased-compensation-expense-and-the-related-tax-benefit-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">036 - Disclosure - Note 7 - Share-based Compensation - Shared-based Compensation Expense and the Related Tax Benefit (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-sharebased-compensation-stock-option-transactions-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-7-sharebased-compensation-stock-option-transactions-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">037 - Disclosure - Note 7 - Share-based Compensation - Stock Option Transactions (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-sharebased-compensation-stocksettled-stock-appreciation-rights-transactions-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-7-sharebased-compensation-stocksettled-stock-appreciation-rights-transactions-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">038 - Disclosure - Note 7 - Share-based Compensation - Stock-settled Stock Appreciation Rights Transactions (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-sharebased-compensation-restricted-stock-transactions-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-7-sharebased-compensation-restricted-stock-transactions-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">039 - Disclosure - Note 7 - Share-based Compensation - Restricted Stock Transactions (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-sharebased-compensation-performance-share-transactions-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-7-sharebased-compensation-performance-share-transactions-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">040 - Disclosure - Note 7 - Share-based Compensation - Performance Share Transactions (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-income-taxes-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-8-income-taxes-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">041 - Disclosure - Note 8 - Income Taxes (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-net-income-per-share-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-9-net-income-per-share-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">042 - Disclosure - Note 9 - Net Income Per Share (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-earnings-per-share-reconciliation-of-basic-and-diluted-earnings-per-share-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-9-earnings-per-share-reconciliation-of-basic-and-diluted-earnings-per-share-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">043 - Disclosure - Note 9 - Earnings Per Share - Reconciliation of Basic and Diluted Earnings Per Share (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-operating-segment-information-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-10-operating-segment-information-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">044 - Disclosure - Note 10 - Operating Segment Information (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-operating-segment-information-information-related-to-the-operations-of-the-companys-operating-segments-details" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-10-operating-segment-information-information-related-to-the-operations-of-the-companys-operating-segments-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">045 - Disclosure - Note 10 - Operating Segment Information - Information Related to the Operations of the Company's Operating Segments (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-covid19-details-textual" roleURI="http://www.superioruniformgroup.com/20200930/role/statement-note-11-covid19-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">046 - Disclosure - Note 11 - COVID-19 (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="sgc_AdjustmentsToAdditionalPaidInCapitalIncomeTaxBenefitFromVestingOfAcquisitionRelatedStock" name="AdjustmentsToAdditionalPaidInCapitalIncomeTaxBenefitFromVestingOfAcquisitionRelatedStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="sgc_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareWeightAverageExercisePrice" name="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareWeightAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_ApicSharebasedPaymentArrangementIncreaseDecreaseForCostRecognition" name="ApicSharebasedPaymentArrangementIncreaseDecreaseForCostRecognition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_BAMKOMember" name="BAMKOMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_BBTMember" name="BBTMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_CostsAndExpensesExcludingGainOnSaleOfPropertyPlantAndEquipment" name="CostsAndExpensesExcludingGainOnSaleOfPropertyPlantAndEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_Covid19Member" name="Covid19Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_CreditAgreementMember" name="CreditAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_LongTermDebtGrossCurrent" name="LongTermDebtGrossCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="sgc_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix" name="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="sgc_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansForSettlementGainLossNetOfTax" name="OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociPensionAndOtherPostretirementBenefitPlansForSettlementGainLossNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_OutsideDirectorsMember" name="OutsideDirectorsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_PaymentOfContingentLiability" name="PaymentOfContingentLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_PersonalProtectiveEquipmentMember" name="PersonalProtectiveEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_ProceedsFromTaxBenefitOnStockVestedInBusinessAcquisition" name="ProceedsFromTaxBenefitOnStockVestedInBusinessAcquisition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_PromotionalProductMember" name="PromotionalProductMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_PromotionalProductsMember" name="PromotionalProductsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_RemoteStaffingSolutionsMember" name="RemoteStaffingSolutionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_RemoteStaffingSolutionsServicesMember" name="RemoteStaffingSolutionsServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_ScheduleOfAccountsReceivablesAndContractAssetsTableTextBlock" name="ScheduleOfAccountsReceivablesAndContractAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsNonOptionOutstandingWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsNonOptionOutstandingWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant"/>
  <xsd:element id="sgc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedInPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsExercisableIntrinsicValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsExercisableIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="sgc_SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsExercisableNumber" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsExercisableNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant"/>
  <xsd:element id="sgc_SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsExercisableWeightedAverageExercisePrice" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsExercisableWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant"/>
  <xsd:element id="sgc_SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsExercisableWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsExercisableWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingIntrinsicValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="sgc_SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementBySharebasedPaymentAwardNonoptionEquityInstrumentsOutstandingWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsCancelledInPeriodWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsCancelledInPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="sgc_SharebasedPaymentArrangementExpenseReversed" name="SharebasedPaymentArrangementExpenseReversed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_StockOptionsAndSARsMember" name="StockOptionsAndSARsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_TangerineMember" name="TangerineMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_TermLoan2Member" name="TermLoan2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_TermLoanMaturingFebruary262024Member" name="TermLoanMaturingFebruary262024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_TermLoanMaturingJanuary222026Member" name="TermLoanMaturingJanuary222026Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_TermLoanMaturingMay2020Member" name="TermLoanMaturingMay2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_TermLoanMember" name="TermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_UniformAndRelatedProductMember" name="UniformAndRelatedProductMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_UniformsAndRelatedProductsMember" name="UniformsAndRelatedProductsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-10-operating-segment-information-information-related-to-the-operations-of-the-companys-operating-segments-details" name="statement-statement-note-10-operating-segment-information-information-related-to-the-operations-of-the-companys-operating-segments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-10-operating-segment-information-tables" name="statement-statement-note-10-operating-segment-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-2-inventories-inventories-details" name="statement-statement-note-2-inventories-inventories-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-2-inventories-tables" name="statement-statement-note-2-inventories-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-3-longterm-debt-longterm-debt-details" name="statement-statement-note-3-longterm-debt-longterm-debt-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-3-longterm-debt-tables" name="statement-statement-note-3-longterm-debt-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-4-periodic-pension-expense-net-periodic-benefit-cost-details" name="statement-statement-note-4-periodic-pension-expense-net-periodic-benefit-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-4-periodic-pension-expense-tables" name="statement-statement-note-4-periodic-pension-expense-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-5-net-sales-accounts-receivables-and-contract-assets-details" name="statement-statement-note-5-net-sales-accounts-receivables-and-contract-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-5-net-sales-disaggregated-revenue-details" name="statement-statement-note-5-net-sales-disaggregated-revenue-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-5-net-sales-tables" name="statement-statement-note-5-net-sales-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-7-sharebased-compensation-performance-share-transactions-details" name="statement-statement-note-7-sharebased-compensation-performance-share-transactions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-7-sharebased-compensation-restricted-stock-transactions-details" name="statement-statement-note-7-sharebased-compensation-restricted-stock-transactions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-7-sharebased-compensation-sharedbased-compensation-expense-and-the-related-tax-benefit-details" name="statement-statement-note-7-sharebased-compensation-sharedbased-compensation-expense-and-the-related-tax-benefit-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-7-sharebased-compensation-stock-option-transactions-details" name="statement-statement-note-7-sharebased-compensation-stock-option-transactions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-7-sharebased-compensation-stocksettled-stock-appreciation-rights-transactions-details" name="statement-statement-note-7-sharebased-compensation-stocksettled-stock-appreciation-rights-transactions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-7-sharebased-compensation-tables" name="statement-statement-note-7-sharebased-compensation-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-9-earnings-per-share-reconciliation-of-basic-and-diluted-earnings-per-share-details" name="statement-statement-note-9-earnings-per-share-reconciliation-of-basic-and-diluted-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-note-9-net-income-per-share-tables" name="statement-statement-note-9-net-income-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="sgc_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
