What is General Services Administration?

Legal Definition
The General Services Administration (GSA) is an independent agency of the United States government, established in 1949 to help manage and support the basic functioning of federal agencies. The GSA supplies products and communications for U.S. government offices, provides transportation and office space to federal employees, and develops government-wide cost-minimizing policies, and other management tasks.

GSA employs about 12,000 federal workers and has an annual operating budget of roughly $26.3 billion. GSA oversees $66 billion of procurement annually. It contributes to the management of about $500 billion in U.S. federal property, divided chiefly among 8,300 owned and leased buildings and a 210,000 vehicle motor pool. Among the real estate assets managed by the GSA are the Ronald Reagan Building and International Trade Center in Washington, D.C., the largest U.S. federal building after The Pentagon, and the Hart-Dole-Inouye Federal Center (which had previously been the Battle Creek Sanitarium run by John Harvey Kellogg).

GSA's business lines include the Federal Acquisition Service (FAS), the Public Buildings Service (PBS), and the Technology Transformation Service (TTS). Other divisions include the Office of Government-wide Policy, and various Staff Offices, including the Office of Small Business Utilization, the Office of Civil Rights, and the Office of Citizen Services and Innovative Technologies. The official U.S. government web portal, USA.gov, and the Spanish-language web portal to U.S. government services, GobiernoUSA.gov, are members of the Office of Citizen Services and Communication's family of websites, which also includes pueblo.gsa.gov (the Federal Citizen Information Center), Kids.gov, ConsumerAction.gov, and WebContent.gov.

The GSA is member of the Procurement G6, an informal group leading the use of framework agreements and e-procurement instruments in public procurement.
-- Wikipedia
Legal Definition
the name of a federal government agency that looks after the housekeeping for the government and supplies all of the agencies and bureaus with their different needs.