# ENGINEERED SUPPORT SYSTEMS INC

ENGINEERED SUPPORT SYSTEMS INC is a company headquartered in St Louis, MO, United States.

## Company overview

- **Legal name:** ENGINEERED SUPPORT SYSTEMS INC
- **Classification:** Company
- **Industry (SIC):** 3585 — Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
- **Headquarters:** St Louis, MO, United States
- **Incorporated in:** MO
- **Fiscal year end:** October 31
- **SEC CIK:** 0000772891

## About

ENGINEERED SUPPORT SYSTEMS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000772891, and its reported industry is Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip. The retained history contains 12 filings, including 8-K filed on 2006-06-28. 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 8-K — filed 2006-06-28 — period 2006-06-28
- Form SC 13G — filed 2006-02-09
- Form SC 13G — filed 2006-02-09
- Form 10-K — filed 2006-01-09 — period 2005-10-31
- Form SC 13G — filed 2006-01-03 — ENGINEERED SUPPORT SYSTEM
- Form 8-K — filed 2005-12-27 — period 2005-12-20
- Form 8-K — filed 2005-12-13 — period 2005-12-13
- Form 8-K — filed 2005-09-27 — period 2005-09-27
- Form 10-Q — filed 2005-09-09 — period 2005-07-31
- Form 8-K — filed 2005-08-30 — period 2005-08-30
- Form 8-K — filed 2005-06-22 — period 2005-06-01
- Form 10-Q — filed 2005-06-09 — period 2005-04-30

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Updated: 2026-10-23T22:14:22Z

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