- Southern County Oil Co
- Southland Oil Co
- Spartan Oil Co
- Ssi Lubricants LLC
- Staub Petroleum Products Inc
- Stockton Petroleum Co
- Stroeher & Son Inc
- Stuarts Petroleum Co
- Sullivan's Petroleum
- Sun Pipe Line Svc
- Teagarden Fuel Svc
- Terrill Petroleum
- Tesoro Hawaii Corp-Lihue
- TEXACO-Cl Bryant Inc
- Tommy 66
- Toro Petroleum Co
- Toro Petroleum Corp
- Trick Enterprises
- Truckers Oil
- Union 76/Tosco
- Unocal Corp
- V & M Oil Co
- V T Petroleum Co
- Valero Logistics
- Valero Logistics
- Valero Logistics
- Valley Automated Fuels Inc
- Valley Oil Co
- Valley Pacific Petroleum
- Valley Pacific Petroleum Svc
- Valley Petroleum
- Valley Petroleum
- Vander Plaats Petroleum
- Vanella Oil Inc
- Velvin Oil Co
- Ventura Road Gas Inc
- W H Breshears Inc
- Wacaster Oil Co
- Walthall Oil Co
- Walthers Oil Co
- Wanjura Oil Co
- Warden Oil Co
- Warden Oil Co
- Warner Petroleum Inc
- Weishuhn Oil & Gas Co
- Weiss Marketing
- West Coast Fueling Systems
- Wigginton Oil Co
- Windecker Inc
- Winkle Oil Co
- World Express
- Zollie Knight Inc