The Kelley Williamson Co. offers convenience stores targeted to a family-friendly market, according to the company. Its Kelley's Market convenience stores in northern Illinois and southern Wisconsin are known for cleanliness, fast and friendly service, well-lighted facilities and state-of-the-art equipment. Its Kona Coffee is brewed fresh every 30 minutes, using a reverse-osmosis water purification system. The company uses Speedpass, a mobile program that allows consumers to pay for fuel with their phones. Kelley's Market regularly appears in GasBuddy's list of best-rated c-stores in Illinois.

For benchmarking purposes, store counts are year-end 2019.

Headquarters:Rockford, Illinois
No. of Stores:48
Rank Last Year:130