# TELCO SYSTEMS INC /DE/

TELCO SYSTEMS INC /DE/ is a company headquartered in Norwood, MA, United States.

## Company overview

- **Legal name:** TELCO SYSTEMS INC /DE/
- **Classification:** Company
- **Industry (SIC):** 3661 — Telephone & Telegraph Apparatus
- **Headquarters:** Norwood, MA, United States
- **Incorporated in:** DE
- **Fiscal year end:** August 31
- **SEC CIK:** 0000736893

## About

TELCO SYSTEMS INC /DE/ is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000736893, and its reported industry is Telephone & Telegraph Apparatus. The retained history contains 12 filings, including 8-K filed on 1998-11-05. 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 1998-11-05 — period 1998-11-04 — TELCO SYSTEMS, INC.
- Form 8-K — filed 1998-10-28 — period 1998-10-27
- Form 8-K — filed 1998-10-14 — period 1998-10-14
- Form 10-Q — filed 1998-07-15 — period 1998-05-31 — TELCO SYSTEMS, INC.
- Form 8-K — filed 1998-06-08 — period 1998-06-05
- Form 10-Q — filed 1998-04-15 — period 1998-03-01 — TELCO SYSTEMS
- Form SC 13D — filed 1998-02-26
- Form SC 13G — filed 1998-02-10 — 1997 SCHEDULE 13G - TELCO SYS INC
- Form 10-Q — filed 1998-01-13 — period 1997-11-30 — TELCO SYSTEMS, INC.
- Form DEF 14A — filed 1997-12-24 — period 1998-02-11 — TELCO SYSTEMS, INC.
- Form 10-K — filed 1997-12-01 — period 1997-08-31 — TELCO SYSTEMS, INC
- Form 10-Q — filed 1997-07-09 — period 1997-05-25 — TELCO SYSTEMS, INC.

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

Canonical page: https://altss.com/profile/telco-systems-inc-de

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