Quality Services Incorporated is a building maintenance and cleaning company serving southwestern Pennsylvania and the tristate area from its location just outside Pittsburgh. Founded in 1976, the company provides commercial cleaning, window cleaning, and comprehensive building maintenance services.

AmeriTex Elevator Service provides commercial elevator maintenance, repair, modernization, and code inspection for commercial, institutional, and residential properties across Central and Southern Texas and the San Francisco Bay Area. The company employs union-certified technicians and offers 24/7 e