POWELL INDUSTRIES INC of HOUSTON, TX filed a DEF 14A with the SEC on 1999-01-28. Industry: Switchgear & Switchboard Apparatus.
Showing 12 of 41 filings.
| Filed | Form |
|---|---|
| 2026-01-06 | DEF 14A |
| 2025-01-06 | DEFA14A |
| 2025-01-06 | DEF 14A |
| 2024-12-23 | PRE 14A |
| 2024-01-05 | DEF 14A |
| 2023-01-06 | DEF 14A |
| 2022-01-06 | DEF 14A |
| 2021-01-06 | DEF 14A |
| 2020-01-06 | DEFA14A |
| 2020-01-06 | DEF 14A |
| 2019-01-07 | DEFA14A |
| 2019-01-07 | DEF 14A |