Harris Ranch Restaurant in Coalinga, California. Freshly grilled beefsteak. The Harris Feeding Company, in Coalinga, California, is the state's largest feed lot with up to 100,000 head of cattle. Coalinga, California. San Joaquin Valley. USA [[From the company: THE HARRIS FARMS GROUP OF COMPANIES. Harris Farms, Inc. is one of the nation's largest, vertically integrated family owned agribusinesses]].