Founded in 1969, Coulson Oil Company is a distributor of gasoline and diesel. The company serves customers through more than 200 store and fuel outlets in Arkansas, Tennessee and Oklahoma. Its stores feature leading fuel brands, such as Shell, Valero and ConocoPhillips. Coulson Oil Company also specializes in the installation, calibration and repair of pumps, tanks and other store equipment. The company s subsidiary, ChiefSeahawk Transport, provides fuel transportation, loading and hauling services. Additionally, Coulson Oil Company is engaged in the purchase, sale and leasing of convenience stores and other types of commercial properties. The company operates Superstop Coop, which is a nonprofit cooperative made of its dealers and provides store merchandise and equipment at discounted rates.