Supermarkets based in California

Trader Joe's is an American grocery store chain headquartered in Monrovia, California, with 571 locations across the US.

Cala Foods was a supermarket chain operating in San Francisco, California. Cala Foods was the sister chain to Bell Markets. The last Cala Foods store closed its doors on December 1, 2011.

99 Ranch Market (traditional Chinese: 大華超級市場; simplified Chinese: 大华超级市场) is an American supermarket chain owned by Tawa Supermarket Inc., which is based in Buena Park, California. 99 Ranch has 58 stores in the U.S. (as of April 2023), primarily in California, with other stores in Nevada, Oregon, Washington, New Jersey, Texas, Maryland, Massachusetts, Arizona, and Virginia. The company also started offering shopping via its website in 2014. In February 2021, the company also launched their mobile app for grocery delivery. One of its main competitors is H-mart.

Food 4 Less is the name of several grocery store chains, the largest of which is currently owned by Kroger. It is a no-frills grocery store where the customers bag their own groceries at the checkout. Kroger operates Food 4 Less stores in the Chicago metropolitan area (Illinois and Indiana) and in Southern California. Kroger operates their stores as Foods Co. in northern and central California, including Bakersfield and the Central Coast, because they do not have the rights to the Food 4 Less name in those areas. Other states, such as Nevada, formerly contained Kroger-owned Food 4 Less stores.

Erewhon Market (ERR-eh-hwon) is an American upscale grocery chain with ten locations, all in Los Angeles County, California.

Sage's Complete Markets was a privately held supermarket chain, based in San Bernardino, California, consisting of 7 stores located throughout Southern California.

Cardenas (pronounced CAR-den-əs) is a supermarket chain based in Ontario, California, USA, that specializes in Latin American cuisine. As of 2019, the company operates 49 Cardenas stores and seven Los Altos Ranch Markets stores in California, Arizona, and Nevada.

Gelson's is an American regional supermarket chain operating in Southern California. It operates service-oriented stores mostly in upscale neighborhoods.

Albeco, Inc., doing business as Mollie Stone's Markets, operates a small chain of nine supermarkets, located in the San Francisco Bay Area. Established in 1986 by Mike Stone and Dave Bennett (now retired), it has stores in the cities of Burlingame, Greenbrae, Palo Alto, San Bruno, San Mateo and Sausalito, and the Castro, Pacific Heights, and Twin Peaks neighborhoods of San Francisco.

Fazio's Shopping Bag—also known as Shopping Bag Food Stores—was a supermarket chain located in Southern California.