| Business | Phone |
| Aarco Oil & Gas Co 4040 Broadway St 19, San Antonio 78209 | (210) 828-4312 |
| Crenshaw Royalty Corp 8700 Crownhill Blvd 605, San Antonio 78209 | (210) 930-4999 |
| Cummings Royalty Corp 4940 Broadway St, San Antonio 78209 | (210) 822-2567 |
| Harold D Herndon 115 E Travis St, San Antonio 78205 | (210) 227-7384 |
| Matthew Fatheree Oil & Gas 8620 N New Braunfels Ave # 424, San Antonio 78217 | (210) 826-1097 |
| Matthew Fatheree Oil & Gas 8620 N New Braunfels Ave 424, San Antonio 78217 | (210) 826-1096 |
| Miv Ops Inc 9310 Broadway St 204, San Antonio 78217 | (210) 930-5220 |
| Oso Royalty Co 5701 Broadway St 200, San Antonio 78209 | (210) 826-1800 |
| Riata Oil & Gas Ltd 8626 Tesoro Dr, San Antonio 78217 | (210) 826-8039 |
| Steve P Thompson 115 E Travis St 1133, San Antonio 78205 | (210) 224-8880 |