California Certified Organic Farmers is a United States Department of Agriculture-accredited organic certifying agency and trade association, located in Santa Cruz, California. Formed in 1973, CCOF was the first organic certification entity in the United States. CCOF includes three legally distinct entities. CCOF promotes and supports organic food and agriculture through a premier organic certification program, trade support, producer and consumer education and political advocacy.

CCOF Member Directory: See here.

Website: www.ccof.org