The California Milk Advisory Board (CMAB), an instrumentality of the California Department of Food and Agriculture, is funded by the state's 1,950 dairy families. With headquarters in South San Francisco and Modesto, the CMAB is one of the largest commodity boards in the United States. The CMAB executes advertising, public relations, research and retail and foodservice promotional programs on behalf of California dairy products, including Real California Milk and Real California Cheese.