# TOLLGRADE COMMUNICATIONS INC \PA\

TOLLGRADE COMMUNICATIONS INC \PA\ is a company headquartered in Cranberry Twp., PA, United States.

## Company overview

- **Legal name:** TOLLGRADE COMMUNICATIONS INC \PA\
- **Classification:** Company
- **Industry (SIC):** 7385 — Services-Telephone Interconnect Systems
- **Headquarters:** Cranberry Twp., PA, United States
- **Incorporated in:** PA
- **Fiscal year end:** December 31
- **SEC CIK:** 0001002531

## About

TOLLGRADE COMMUNICATIONS INC \PA\ is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001002531, and its reported industry is Services-Telephone Interconnect Systems. The retained history contains 12 filings, including 8-K filed on 2011-05-13. 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 2011-05-13 — period 2011-05-10 — FORM 8-K
- Form 10-Q — filed 2011-05-10 — period 2011-03-31 — FORM 10-Q
- Form 8-K — filed 2011-05-09 — period 2011-05-05 — FORM 8-K
- Form 8-K — filed 2011-04-28 — period 2011-04-27 — FORM 8-K
- Form 8-K — filed 2011-04-19 — period 2011-04-15 — FORM 8-K
- Form 10-K — filed 2011-03-10 — period 2010-12-31 — FORM 10-K
- Form 8-K — filed 2011-02-25 — period 2011-02-20 — FORM 8-K
- Form 8-K — filed 2011-02-24 — period 2011-02-23 — FORM 8-K
- Form SC 13G — filed 2011-02-14 — SEC FILING
- Form SC 13G — filed 2011-02-14 — SEC FILING
- Form 10-Q — filed 2010-10-28 — period 2010-09-30 — FORM 10-Q
- Form 8-K — filed 2010-10-28 — period 2010-10-28 — FORM 8-K

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Updated: 2026-10-23T22:09:23Z

Canonical page: https://altss.com/profile/tollgrade-communications-inc-pa

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