PITCO Foods, formed by the merger of Pacific Groservice and Pittsburg Wholesale Grocers, operates four membership warehouse stores in San Francisco, Sacramento, San Jose, and Oakland, California under the PITCO banner. The outlets, which are not open to the general public, stock more than 9,000 items and cater to some 10,000 independently-owned retailers and food service operators throughout the Central Valley and Northern California. Customers include supermarkets and convenience stores, drug stores, vending operations, restaurants, and caterers. In addition to various food items, the wholesaler stocks tobacco, janitorial supplies, housewares, health and beauty aids, and auto supplies.