| Business | Phone |
| Independent American Energy Co 1201 Knickerbocker Rd, San Angelo 76904 | (325) 486-9463 |
| Ltv Energy Productions Co 4349 Old Christoval Rd, San Angelo 76904 | (325) 653-5941 |
| Riata Energy Inc 17 S Chadbourne St, San Angelo 76903 | (325) 658-7609 |