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SimplexGrinnell, a subsidiary of Tyco International, is an American company specializing in active fire protection systems, communication systems and testing, inspection and maintenance services.
Simco Ion - An ITW Company is a Hatfield, PA-based company in the Business Services sector.
Total Telecom, L L C is a Saint Joseph, MI-based company in the Business Services sector.
Greensplat Inc is a Apache Junction, AZ-based company in the Business Services sector.
AMALGAMATED TRANSIT UNION Local 689 - Representing the operators, clerical and maintenance workers of the Washington Metropolitan Area Transit Authority (WMATA)