Re:Introducing U.S. Web Design Standards
by Animats on Tuesday September 29, 2015 @04:04PM
(#10299198)
GSA, the General Services Administration, is the purchasing, construction, and building operations unit of the US Government. They're a huge operation, with a $20 billion budget and operations all over the US. The Office of Management and Budget is a White House staff unit with about 500 employees, most in an office building next to the White House.
GSA has forklifts. OMB has clout.
Btw, GSA and OMB aren't connected the way you describe. They just happen to be the respective parent agencies of 18F and USDS-HQ. Here's a tree.