| Business | Phone |
| Bron Contractors Inc 14153 Tiger Bend Rd, Baton Rouge 70817 | (225) 752-6669 |
| Fugro Geosciences Inc 4252 Rhoda Dr, Baton Rouge 70816 | (225) 292-5082 |
| Tri-State Road Boring Inc 2493 Baywood Ave, Baton Rouge 70808 | (225) 275-4400 |
| Snyper Drilling Svc Inc 8447 Athens Ave, Baton Rouge 70814 | (225) 927-5680 |