What kinds of companies use our services? A large, diverse and growing number of organizations throughout the country, including:

Cenex Harvest States Cooperatives

Center Oil

Citgo Petroleum

ConocoPhillips Corporation

Countrymark Petroleum

Delek Refining

Enterprise Products Corporation

ExxonMobile Corporation

Flint Hills Resources/Koch Petroleum/Invista

Flying J Corporation

Frontier Refining

Giant Refining

Hess Corporation

Holly Corporation

Hunt Petroleum

IAG Corporation

KBC Advanced Technologies

Marathon Petroleum

Middough Corporation

Murphy Oil Corporation

National Cooperative Refiners Association

Paramount Petroleum

Purvin and Gertz

RaceTrac Petroleum

Sunoco Logistics/Refining/Marketing

Tesoro Petroleum

United Refining

URS Corporation

Valero Energy

Wawa