| Business | Phone |
| West Star Industries Inc 247 Indacom Dr, St Peters 63376 | (636) 928-9720 |
| Riedel Environmental Svc 418 S Church St, St Peters 63376 | (636) 970-6569 |
| Safety-Kleen Corp Regional Office St Peters 63376 | (636) 279-3006 |
| Raven Materials Inc 532 Schrader Farm Dr, St Peters 63376 | (636) 980-3096 |
| Midwest Environmental Sltns 121 Algana Ct, St Peters 63376 | (636) 441-8777 |
| Herst & Assoc 4630 S Highway 94, St Peters 63304 | (636) 939-9111 |
| Golder Associates Inc 1630 Heritage Lndg # 103, St Peters 63303 | (636) 936-1547 |
| Environ International Corp 5401 Veterans Memorial Pkwy, St Peters 63376 | (636) 498-4447 |
| Environmental Resources Mgmt 1630 Heritage Lndg # 100, St Peters 63303 | (636) 928-0300 |