Robinson Oil Corp.

Operating retail under the Rotten Robbie brand, Robinson Oil owns stores centered in northern California, with stores varying in size from small kiosks to larger units with a full selection of core c-store products. The chain functions as an independent, private-brand marketer, with most stores in the San Francisco Bay area. The company strategy hews toward selling a high volume of fuel at competitive prices, including on cigarettes and energy drinks.

For benchmarking purposes, store counts are as of Jan. 1, 2023.