# THINKENGINE NETWORKS, INC.

THINKENGINE NETWORKS, INC. is a company headquartered in Marlborough, MA, United States.

## Company overview

- **Legal name:** THINKENGINE NETWORKS, INC.
- **Former names in filing history:** COGNITRONICS CORP (1995-07-27 to 2006-12-28)
- **Classification:** Company
- **Industry (SIC):** 3661 — Telephone & Telegraph Apparatus
- **Headquarters:** Marlborough, MA, United States
- **Fiscal year end:** December 31
- **SEC CIK:** 0000021438

## About

THINKENGINE NETWORKS, INC. is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0000021438, and its reported industry is Telephone & Telegraph Apparatus. The retained history contains 12 filings, including 8-K filed on 2009-01-15. 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 2009-01-15 — period 2009-01-14 — FORM 8-K DATED JANUARY 14, 2009
- Form 8-K — filed 2008-11-26 — period 2008-11-23 — FORM 8-K DATED NOVEMBER 23, 2008
- Form 8-K — filed 2008-11-19 — period 2008-11-14 — THINKENGINE NETWORKS, INC.
- Form 10-Q — filed 2008-10-28 — period 2008-09-30 — FORM 10-Q DATED SEPTEMBER 30, 2008
- Form 10-Q — filed 2008-08-08 — period 2008-06-30 — FORM 10-Q FOR PERIOD ENDED JUNE 30, 2008
- Form 8-K — filed 2008-06-25 — period 2008-06-23 — FORM 8-K DATED JUNE 23, 2008
- Form 8-K — filed 2008-06-05 — period 2008-06-03 — FORM 8-K DATED JUNE 3, 2008
- Form 10-Q — filed 2008-05-13 — period 2008-03-31 — FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2008
- Form 8-K — filed 2008-04-15 — period 2008-04-11 — FORM 8-K DATED APRIL 11, 2008
- Form 10-K — filed 2008-03-19 — period 2007-12-31 — FORM 10-K DATED 12-31-08
- Form 8-K — filed 2008-03-19 — period 2008-03-18 — THINKENGINE NETWORKS, INC.
- Form 8-K — filed 2008-03-07 — period 2008-03-05 — FORM 8-K DATED MARCH 5, 2008

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Updated: 2026-10-23T22:41:06Z

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