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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
Westower is a Orlando, FL-based company in the Telecommunications sector.
Richland Towers is a Tampa, FL-based company in the Telecommunications sector.
KCS CORPORATION is a Schaumburg, IL-based company in the Telecommunications sector.
Core Communications is a Annapolis, MD-based company in the Telecommunications sector.