Performance Contracting is one of the leading specialty contractors in the United States. It manages an interior division that provides installation services for acoustic ceilings, demountable partitions, steel studs and synthetic plastering systems. The company also offers a range of clean room contracting services, including lighting, air filtration and floor construction. In addition, Performance Contracting designs, supplies and installs radiation penetration seals, electrical circuit fire wrap systems and fire zone separation barriers. It also provides industrial cleaning and maintenance services to the power generation, chemical, petroleum, pulp and paper, steel, manufacturing and environmental industries throughout the Southeast. Located in Vancouver, Wash., the company is a part of the Performance Contracting Group, which has operations in more than 50 locations throughout the United States.