美国政府采购分为联邦政府采购、州政府采购和地方政府(县、市、镇、学区政府)采购三部分。联邦政府采购机构由联邦事务服务总局(GSA)负责,它是联邦政府从事政府采购的专职机构,1949年《联邦财产与行政服务法》授予GSA政府采购权力,负责除国防部、海岸卫队和国家航空航天局以外的所有联邦政府采购任务,是美国政府采购管 The United States government procurement is divided into federal government procurement, state government procurement and local government (county, city, town, school district government) procurement three parts. The Federal Government Procurement Agency, which is headed by the Federal Service General Administration (GSA), is the federal government’s specialized agency for government procurement. In 1949, the Federal Property and Administrative Services Act granted GSA government procurement authority to charge the Department of Defense, Coast Guard, and the State All federal government procurement outside of NASA is the U.S. government procurement manager