Founded in 1997, United Rentals is an equipment rental company that serves clients throughout the United States. It is a member of Standard & Poor's MidCap 400 Index and the Russell 2000 Index. The company offers a range of heating, ventilation and air conditioning products. It employs a staff of more than 10,000 individuals who provide planning and project management services. The company offers aerial lifts, air compressors, forklifts, generators, welders and power tools from various manufacturers, such as Genie Industries, Terex Corporation and Gradall Industries. United Rentals serves clients in the electrical, mechanical and plumbing industries. In addition, it offers plate compactors, rollers, buckets, concrete saws, mixers and cutters. The company provides roofing, excavating, painting, paving and sandblasting, as well as repair and maintenance services. It also offers pipe lasers, plugs, carpet dryers, polishers, scrubbers, pumps, jacks and roller kits. The company maintains a location in Baltimore.