ONE Gas is seeking a Commercial Development Intern for summer 2027 in Tulsa, OK. Ideal candidates are students from University of Oklahoma, Oklahoma State University, or University of Tulsa, pursuing degrees in Engineering, Finance, Economics, Mathematics, or Business Administration, graduating Dec 2027 or May 2028, with a 3.0+ GPA. The paid internship involves supporting natural gas infrastructure projects, market research, commercial agreement development, and job shadowing. ONE Gas values diversity, offers competitive pay, benefits, and housing assistance. Applications open August 2026; one position available.