ThompsonGas is one of the leading propane companies in the United States. Located at Gadsden, Ala., its operations include the retail marketing, sale, and distribution of propane to residential, commercial, industrial, and agricultural customers. The firm serves approximately 150,000 retail customers from over 24 customer service centers nationwide. ThomsponGas also operates a propane rail terminal in Baltimore, Md. that serves independent dealers and multi-state marketers in the Middle Atlantic States. The company has been awarded an A+ rating by Better Business Bureau (BBB).