The General Services Administration (GSA) is an independent agency of the United States federal government established in 1949 to help manage and support the basic functioning of federal agencies.
The IRS is the United States federal government agency responsible for collecting taxes and administering the Internal Revenue Code. It ensures compliance with tax laws, investigates tax abuses, and prosecutes tax fraud.
The Office of Management and Budget (OMB) at the federal level is an agency within the Office of the President responsible for preparing and presenting the President's budget to Congress, developing fiscal programs in cooperation with the Council of Economic Advisers and the Treasury Department, reviewing administrative policies and performance of government agencies, and advising the President on legislative matters.
