Founded in 1999, United Site Services is one of the leading providers of portable restroom services in the Unites States. The company has more than 125,000 portable restrooms and manages a fleet of over 1,000 service and delivery vehicles. It has nearly 50 branch locations with approximately 1,500 employees nationwide. United Site Services serves commercial and residential clients, as well as the federal, state and local government agencies. The company offers portable toilets, restroom trailers and temporary fences. In addition, it responds to various emergencies, disasters and natural calamities. United Site Services is a member of several organizations, such as the Portable Sanitation Association International, American National Standards Institute and International Code Council.