W.M. (Bill) Thacker, Jr., Attorney-Legal Council, is the primary owner of 5-T Properties Ltd. with over 57 years of oil and gas experience. Bill was previously a partner in both Expando Production Company and Expando Oil Company, and its successor company, CTR Petroleum Inc, with offices in Wichita Falls and Corpus Christi, Texas. The Expando companies were initially founded in 1960 and served as successor companies to Fain & McGaha, which was created in 1942. Bill is married with three sons and has been active in many business and civic organizations, including the Independent Petroleum Association of America, Mid-Continent Oil and Gas Association, Texas Alliance of Energy Producers, Midwestern State University Board of Regents, and First United Methodist Church.