Midwest Petroleum Corp.

With headquarters in Manchester, Missouri, Midwest Petroleum Corp. operates 58 convenience stores in Illinois and Missouri that are branded Midwest or flying the fuel brand.

The chain has sites in Missouri, all but one with fuel, and locations in Illinois. Its fuel brands are Phillips66/Conoco and the unbranded name of ZX (Zephyr Xpress). The nonfuel location is a standalone Smokes-Spirits store, according to the company.

Its store count grew by two in 2023.

For benchmarking purposes, store counts are as of Jan. 1, 2024.