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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
Digital Realm is a Ann Arbor, MI-based company in the Telecommunications sector.
Spare Parts Specialist is a Tyrone, GA-based company in the Telecommunications sector.
Reynwood Communications is a New York, NY-based company in the Telecommunications sector.
IES Commercial, Inc. is one of the leading companies in the Telecommunications sector.