| Business | Phone |
| Mesa Drilling Inc 11511 Katy Fwy 648, Houston 77079 | (713) 993-7082 |
| Jiva International 9700 Richmond Ave, Houston 77042 | (713) 334-3223 |
| W H Drilling Solutions 10370 Richmond Ave, Houston 77042 | (713) 784-7498 |
| A & A Boring 6726 Mount Houston Rd, Houston 77050 | (281) 987-9405 |
| Applied Drilling Tech Inc 777 N Eldridge Pkwy, Houston 77079 | (281) 596-5699 |
| Deutag Drilling Us Inc 16945 Northchase Dr, Houston 77060 | (281) 874-2121 |
| Dingo Drilling Houston 77060 | (281) 931-0087 |
| Directional Drilling Contr Llc 14230 Interdrive E, Houston 77032 | (281) 987-3812 |
| Directional Drilling Contrs 515 N Sam Houston Pkwy E, Houston 77060 | (281) 405-9971 |
| Fred Olsen Energy 2000 S Dairy Ashford St, Houston 77077 | (281) 293-0815 |
| Drilling Structures 11700 Trickey Rd, Houston 77067 | (281) 877-9997 |
| Ed's Drilling Shop 1906 Johanna Dr, Houston 77055 | (713) 467-4725 |
| Mesa Drilling Inc 11511 Katy Fwy # 648, Houston 77079 | (713) 993-7084 |
| Hoover Technical Drilling Svc 10963 Cutten Rd, Houston 77066 | (281) 444-6868 |
| Texas Soil 11710 Almeda Genoa Rd, Houston 77034 | (713) 941-5788 |
| Nabors Drilling Usa 2110 Federal Rd, Houston 77015 | (713) 451-6220 |
| Neighbors Drilling Intl 2110 Federal Rd, Houston 77015 | (713) 455-4183 |