The Agricultural Marketing Service (AMS) is an agency of the United States Department of Agriculture; it maintains programs in five commodity areas: cotton and tobacco; dairy; fruit and vegetable; livestock and seed; and poultry. These programs provide testing, standardization, grading and market news services for those commodities, and oversee marketing agreements and orders, administer research and promotion programs, and purchase commodities for federal food programs. The AMS enforces certain federal laws such as the Perishable Agricultural Commodities Act and the Federal Seed Act. The AMS budget is $1.2 billion. It is headquartered in the Jamie L. Whitten Building in Washington, D.C.

The United States Department of Agriculture (USDA) is an executive department of the United States federal government that aims to meet the needs of commercial farming and livestock food production, promotes agricultural trade and production, works to assure food safety, protects natural resources, fosters rural communities and works to end hunger in the United States and internationally. It is headed by the secretary of agriculture, who reports directly to the president of the United States and is a member of the president's Cabinet. The current secretary is Tom Vilsack, who has served since February 24, 2021.