The NCUA (“National Credit Union Administration”) is like the FDIC for credit unions. It provides insurance to credit unions and expects a solid level of operations in return. It provides regulations and audits member credit unions for fitness.
The NCUA’s official web site is www.ncua.gov.
See also: “FFIEC” (umbrella regulation, including state chartered banks), “FDIC” (federally chartered banks), “the Fed” (U.S. central bank), “OCC” (national and foreign banks) and “OTS” (savings and loans).