# HEI INC

HEI INC is a company headquartered in Victoria, MN, United States.

## Company overview

- **Legal name:** HEI INC
- **Classification:** Company
- **Industry (SIC):** 3674 — Semiconductors & Related Devices
- **Headquarters:** Victoria, MN, United States
- **Incorporated in:** MN
- **Fiscal year end:** August 31
- **SEC CIK:** 0000351298

## About

HEI INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000351298, and its reported industry is Semiconductors & Related Devices. The retained history contains 12 filings, including 10-K/A filed on 2007-12-31. Each filing retains its accession, filing date and original SEC document link. This historical evidence does not establish current registration, listing, ownership or financial condition.

## Recent SEC filings

- Form 10-K/A — filed 2007-12-31 — period 2007-09-01 — AMENDMENT TO ANNUAL REPORT
- Form 8-K — filed 2007-12-07 — period 2007-12-05 — CURRENT REPORT
- Form 8-K — filed 2007-12-04 — period 2007-12-03 — CURRENT REPORT
- Form 10-K — filed 2007-11-30 — period 2007-09-01 — ANNUAL REPORT
- Form 8-K — filed 2007-10-26 — period 2007-10-24 — CURRENT REPORT
- Form 8-K — filed 2007-09-14 — period 2007-09-10 — CURRENT REPORT
- Form 8-K — filed 2007-09-06 — period 2007-08-30 — CURRENT REPORT
- Form 8-K — filed 2007-08-28 — period 2007-08-24 — CURRENT REPORT
- Form 8-K — filed 2007-07-17 — period 2007-07-17 — CURRENT REPORT
- Form 10-Q — filed 2007-07-17 — period 2007-06-02 — QUARTERLY REPORT
- Form 8-K — filed 2007-05-23 — period 2007-05-22 — CURRENT REPORT
- Form 8-K — filed 2007-05-21 — period 2007-05-15 — CURRENT REPORT

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Updated: 2026-10-23T22:16:53Z

Canonical page: https://altss.com/profile/hei-inc

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology
