# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000080420-26-000070
Filing Date
2026-05-05
Accepted
2026-05-05 12:12:36
Documents
77
Period of Report
2026-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | powl-20260331.htm iXBRL | 10-Q | 990461
2 | EX-31.1 | powlexhibit311q22026.htm | EX-31.1 | 10549
3 | EX-31.2 | powlexhibit312q22026.htm | EX-31.2 | 10896
4 | EX-32.1 | powlexhibit321q22026.htm | EX-32.1 | 4751
5 | EX-32.2 | powlexhibit322q22026.htm | EX-32.2 | 5404
| Complete submission text file | 0000080420-26-000070.txt |  | 6349515

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | powl-20260331.xsd | EX-101.SCH | 39512
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | powl-20260331_cal.xml | EX-101.CAL | 76065
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | powl-20260331_def.xml | EX-101.DEF | 164724
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | powl-20260331_lab.xml | EX-101.LAB | 564315
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | powl-20260331_pre.xml | EX-101.PRE | 393494
81 | EXTRACTED XBRL INSTANCE DOCUMENT | powl-20260331_htm.xml | XML | 943320

Mailing Address 8550 MOSLEY DRIVE P O BOX 12818 8550 MOSLEY DRIVE P O BOX 12818 HOUSTON TX 77075
Business Address 8550 MOSLEY DR POST OFFICE BOX 12818 HOUSTON TX 77075 7139446900
POWELL INDUSTRIES INC (Filer) CIK: 0000080420 (see all company filings)

EIN.: 880106100 | State of Incorp.: NV | Fiscal Year End: 0930
Type: 10-Q | Act: 34 | File No.: 001-12488 | Film No.: 26941658
SIC: 3613 Switchgear & Switchboard Apparatus
(CF Office: 04 Manufacturing)