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North Pittsburgh Systems, Inc. (North Pittsburgh) is a holding company. Its subsidiaries include North Pittsburgh Telephone Company (NPTC), Penn Telecom, Inc. (PTI) and Pinnatech, Inc. (Pinnatech). NPTC is a telephone public utility. PTI was certificated
Service 800 is a Deerfield, IL-based company in the Telecommunications sector.
Commnet provides telecommunication solutions and services across the United States.
Cervalis is a Shelton, CT-based company in the Telecommunications sector.
GoIP Global is a New York, NY-based company in the Telecommunications sector.