| Business | Phone |
| Barnebey Sutcliffe 1139 Patton St, Sulphur 70665 | (337) 527-0084 |
| Cei Environmental Svc 3724 Highway 27 S, Sulphur 70665 | (337) 558-5115 |
| Miller Environmental Inc 2208 Industrial Dr, Sulphur 70665 | (337) 882-9800 |
| National Response Corp 2451 Clifton Ridge Rd, Sulphur 70665 | (337) 558-5178 |
| Wastewater Specialties 2205 Industrial Dr, Sulphur 70665 | (337) 882-8044 |
| Providence Engineering 110 E Darbonne St, Sulphur 70663 | (337) 528-0066 |
| Tasc Corp 2234 Industrial Dr I, Sulphur 70665 | (337) 882-0013 |
| Stoney's Service Corp 3315 E Napoleon St, Sulphur 70663 | (337) 533-1818 |