# DETECTION SYSTEMS INC

DETECTION SYSTEMS INC is a company headquartered in Fairport, NY, United States.

## Company overview

- **Legal name:** DETECTION SYSTEMS INC
- **Classification:** Company
- **Industry (SIC):** 3669 — Communications Equipment, NEC
- **Headquarters:** Fairport, NY, United States
- **Incorporated in:** NY
- **Fiscal year end:** March 31
- **SEC CIK:** 0000028365

## About

DETECTION SYSTEMS INC is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000028365, and its reported industry is Communications Equipment, NEC. The retained history contains 12 filings, including SC 13G filed on 2001-02-02. 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 SC 13G — filed 2001-02-02 — 2000 SCHEDULE 13G - DETECTION SYS INC
- Form SC 13D — filed 2000-12-20 — SCHEDULE 13D
- Form 8-K — filed 2000-12-12 — period 2000-12-10
- Form 10-Q — filed 2000-11-14 — period 2000-09-30 — FORM 10-Q
- Form SC 13D — filed 2000-11-01 — SCHEDULE 13D
- Form 8-K — filed 2000-09-27 — period 2000-09-27
- Form 8-K — filed 2000-08-15 — period 2000-08-14 — CURRENT REPORT
- Form 10-Q — filed 2000-08-14 — period 2000-06-30
- Form 8-K — filed 2000-02-28 — period 2000-02-21 — CURRENT REPORT
- Form 10-Q — filed 2000-02-14 — period 1999-12-31 — QUARTERLY REPORT
- Form SC 13G — filed 2000-02-08
- Form SC 13G — filed 2000-02-03 — 1999 SCHEDULE 13G - DETECTION SYS INC

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Updated: 2026-10-23T22:43:49Z

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