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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
Lakedale Telephone Co. is a Annandale, MN-based company in the Telecommunications sector.
Qualified Marketing is a Englewood, CO-based company in the Telecommunications sector.
Gnodde Associates is a Hinsdale, IL-based company in the Telecommunications sector.
Copper Net Inc is a Mount Vernon, OH-based company in the Telecommunications sector.