GSA is an acronym that stands for the General Services Administration, which is an independent agency within the executive branch of the United States federal government. Its headquarters is in Washington DC, but has regional officers throughout the United States.
It has two primary purposes:
The Federal Acquisition Service is the division that administers the GSA Schedule program, under which many firms obtain GSA Contracts. Their philosophy is that the US government is the worlds largest client, and therefore should be able to obtain most favored customer pricing. Under the GSA Schedule contracts program, GSA negotiated competitive contracts with interested and qualified firms, but only in exchange for advantageous pricing. GSA Schedule benefit contractors because it gives them exposure to all federal agencies, allows vendors to sell to any federal agency, and makes it easier for agencies to buy from GSA vendors.