Electric, Coal, Oil & Gas Services go Results Found: 5 Duke Energy Investor Duke Energy 2500 Fairfax Road Greensboro NC 27407 (800) 777-9898 Piedmont Natural Gas, Inc. Investor Piedmont Natural Gas, Inc. 2611 Greengate Dr. Greensboro NC 27406 (336) 271-5103 Southeast Fuels, Inc. Southeast Fuels, Inc. 620 Green Valley Rd., Suite 303 Greensboro NC 27408 (336) 854-1106 Bain Oil Company Bain Oil Company 3201 Spring Garden St. Greensboro NC 27407 (336) 299-0531 Berico Fuels, Inc. Investor Berico Fuels, Inc. 2200 E. Bessemer Ave. Greensboro NC 27405 (336) 273-8663