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COMMSEC is a Huntsville, AL-based company in the Telecommunications sector.
Brandenburg Telephone Company is a Brandenburg, KY-based company in the Telecommunications sector.
Bertek Systems is a Fairfax, VT-based company in the Telecommunications sector.
Coast International is a Lenexa, KS-based company in the Telecommunications sector.
Mount Horeb Telephone Company is a Barneveld, WI-based company in the Telecommunications sector.