| Business | Phone |
| Harrison Drilling Inc 1425 S 133rd East Ave, Tulsa 74108 | (918) 437-9624 |
| Mc Kisick Pier Drilling 13305 E Apache St, Tulsa 74116 | (918) 437-2846 |
| Tulsa Pier Drilling 1379 E 45th Pl, Tulsa 74105 | (918) 284-9160 |
| Pier Drillers Inc 1010 N Mingo Rd, Tulsa 74116 | (918) 835-1023 |