Western Oil operates the Petro-Mart c-store chain. The company prides itself on its bright and clean stores and focuses on attracting consumers with items such as nacho bars, salads and special pricing on fountain beverages. A private, family-operated company, Western Oil also oversees a fuel transportation business and two travel centers. Its fuel brands include BP, ConocoPhillips and Phillips 66.

Source: Convenience Digital Resource Library, Technomic. For benchmarking purposes, store counts are year-end 2017.

Photo courtesy of Paul Sableman. 

Headquarters:Earth City, Missouri
No. of Stores:49