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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
Jeff Hopper Associates is a Bellevue, WA-based company in the Telecommunications sector.
DelTel is a Aliso Viejo, CA-based company in the Telecommunications sector.
Metropole Products Inc is a Stafford, VA-based company in the Telecommunications sector.
PIM Testing is a Lawrenceville, GA-based company in the Telecommunications sector.