| Business | Phone |
| Cowlitz Clean Sweep 55 International Way, Longview 98632 | (360) 423-6316 |
| Ecological Land Svc Inc 1157 3rd Ave 220, Longview 98632 | (360) 578-1371 |
| Jammie's Environmental Inc 8949 Willow Grove Rd, Longview 98632 | (360) 577-5691 |
| Northern Resource Consulting 1339 Commerce Ave 309b, Longview 98632 | (360) 414-5239 |
| Pacific Environmental Group Longview 98632 | (360) 578-1810 |
| Png Environmental Inc 1339 Commerce Ave 313, Longview 98632 | (360) 414-0669 |