Public Buildings Service (GSA) (PBS)
HQ: Washington, D.C.
Other locations: Eleven regional offices located in major metropolitan centers across the country
Mission: To deliver comprehensive real estate services to the federal government and to provide a superior workplace for the federal worker. The Public Buildings Service oversees the design, construction, maintenance, and security of government facilities, including office buildings, laboratories, border stations, child care centers, data processing centers, courthouses, and historic properties.