The Agricultural Marketing Service (AMS) is an agency of the United States Department of Agriculture; it maintains programs in five commodity areas:[4] cotton and tobacco; dairy; fruit and vegetable; livestock and seed; and poultry.

[5] It is headquartered in the Jamie L. Whitten Building in Washington, D.C. As of July 2021, AMS is led by Administrator Bruce Summers.

[6] Over the decades, AMS grew to also support ranchers, importers, exporters, and other agriculture industry groups.

[1] AMS' primary function is to market American agricultural products inside and outside the United States.

AMS' nine programs are: The lone service of AMS is: Additionally, AMS receives input and counsel from the Advisory Committee on Universal Cotton Standards, Fruit & Vegetable Industry Advisory Committee (FVIAC), Grain Inspection Advisory Committee, National Organic Standards Board (NOSB), and Plant Variety Protection Board.

[17] The AMS Transportation and Marketing Program supplies research and technical information regarding the nation's food transportation system to producers, producer groups, shippers, exporters, rural communities, carriers, government agencies and universities.

In addition, the division assists in the planning and design of marketing facilities, processes, and methods in cooperation with state and local governments, universities, farmer groups, and other segments of the U.S. food industry.

This program is intended to enhance the overall effectiveness of the food marketing system, provide better quality products to the consumer at reasonable cost, improve market access for growers with farms of small to medium size, and promote regional economic development.