<SEC-DOCUMENT>0001104659-18-009376-index.html : 20180214
<SEC-HEADER>0001104659-18-009376.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214072136
ACCESSION NUMBER:		0001104659-18-009376
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TENNANT CO
		CENTRAL INDEX KEY:			0000097134
		STANDARD INDUSTRIAL CLASSIFICATION:	REFRIGERATION & SERVICE INDUSTRY MACHINERY [3580]
		IRS NUMBER:				410572550
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-16210
		FILM NUMBER:		18607062

	BUSINESS ADDRESS:	
		STREET 1:		701 N LILAC DR
		STREET 2:		PO BOX 1452
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55440
		BUSINESS PHONE:		7635401200

	MAIL ADDRESS:	
		STREET 1:		701 N LILAC DR
		STREET 2:		PO BOX 1452
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55440

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TENNANT G H CO
		DATE OF NAME CHANGE:	19700515

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAIRS & POWER INC
		CENTRAL INDEX KEY:			0001070134
		IRS NUMBER:				410844499
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		332 MINNESOTA ST #W-1520
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55101
		BUSINESS PHONE:		6512228478

	MAIL ADDRESS:	
		STREET 1:		W-1520 FIRST NATIONAL BANK BLDG
		STREET 2:		332 MINNESOTA STREET
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55101
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>a18-5626_7sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: a18-5626_7sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>