Established in 1992, Raritan Building Services Corporation, also known as RBSC, is one of the leading providers of janitorial and housekeeping services and solutions in the United States. It is a privately held firm that serves retail, industrial and specialty businesses in New Jersey, New York and Pennsylvania. The firm offers more than 600 custodians, including floor care specialists and equipment technicians. It also staffs a controller and a general sales manager. Raritan Building Services Corporation supplies janitorial to car dealerships and other general merchandise stores. Additionally, the firm specializes in contract management services and serves the food market industry. Raritan Building Services Corporation provides window, construction and warehouse cleaning services.