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Critical Infrastructure Support Group is a Vero Beach, FL-based company in the Telecommunications sector.
World Communications is a Seattle, WA-based company in the Telecommunications sector.
ProconGPS is a Knoxville, TN-based company in the Telecommunications sector.
InterEdge Technologies is a Hollywood, FL-based company in the Telecommunications sector.
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