Thomas Hill Energy Center 5693 Highway F Clifton Hill, MO 65244 Phone : (660) 261-4211 Thomas Hill Energy Center Business Category Electric Companies Assoc Electric Coop Inc 5693 Highway F Clifton Hill, MO 65244 Phone : (660) 261-4211 Assoc Electric Coop Inc Business Category Electric Companies Water & Sewage Companies-Utility Water Supply Petroleum & coal products