GAO U.S. Government Accountability Office - often called the "congressional watchdog,” the GAO is an independent, non-partisan agency that works for Congress. GAO examines how taxpayer dollars are spent and provides Congress and federal agencies with objective, non-partisan, fact-based information to help the government save money and work more efficiently.
OMB U.S. Office of Management and Budget - The OMB serves the President of the United States in overseeing the implementation of his or her vision across the Executive Branch. OMB’s mission is to assist the President in meeting policy, budget, management, and regulatory objectives and to fulfill the agency’s statutory responsibilities.