| Business | Phone |
| Duncan Oil & Gas Inc 23 E 9th St # 213, Shawnee 74801 | (405) 214-1108 |
| Romine Oil & Gas Ltd 23 E 9th St # 223, Shawnee 74801 | (405) 273-1171 |
| Triad Energy Corp Of Texas 1 Barnard Ln, Shawnee 74801 | (405) 275-1942 |
| Vintage Petroleum Inc 624 W Independence St # 102, Shawnee 74804 | (405) 273-1185 |