21. Conoco
2056 Highway A, Washington, MO 63090
Coordinate: 38.53486,-91.0201
Phone: (636) 239-2345
22. Citgo
1403 Jefferson St, Washington, MO 63090
Coordinate: 38.545116,-91.016785
Phone: (636) 239-4634
23. Petro Mart
105 Wilding Acres Ln, Washington, MO 63090
Coordinate: 38.49711,-91.06775
Phone: (636) 451-2660