Eggleston began his career with Fina Oil and Chemical Company/Alon USA where he worked in refinery operations, environmental, pricing, and supply. In 2003, he joined Town & Country Food Stores Inc. as director of petroleum marketing and was vice president of petroleum marketing at the time of their acquisition by Susser Petroleum Company in 2007. As vice president of supply and transportation for Susser Petroleum, Eggleston was responsible for fuel procurement for the retail, wholesale and dealer trade across Texas, New Mexico, Louisiana and Oklahoma. He managed multiple departments including supply, distribution, fleet, and the customer service center to insure the accurate and safe delivery of petroleum to both internal and external customers. As a visionary in his field, he led initiatives for ethanol blending programs, cost reductions, pricing methods, and other best practices in the petroleum industry.