| Business | Phone |
| Advanced Environmental Svc 3950 Lake Michigan Dr Nw A, Grand Rapids 49534 | (616) 453-8586 |
| Aeg Environmental Inc 2474 Sinclair Ave Ne, Grand Rapids 49505 | (616) 361-6580 |
| Alliance Environmental Cnsltng 1128 Canyon Creek Ct Sw, Grand Rapids 49534 | (616) 791-4747 |
| Applied Science & Technology 660 Cascade West Pkwy Se, Grand Rapids 49546 | (616) 942-7230 |
| Aqua-Tech Consultants 540 Leonard St Nw G, Grand Rapids 49504 | (616) 458-7980 |
| Atc Assoc Inc 4519 Broadmoor Ave Se, Grand Rapids 49512 | (616) 698-3131 |
| B & K Environmental Inc 6115 28th St Se, Grand Rapids 49546 | (616) 940-0030 |
| Bldi 150 Fountain St Ne, Grand Rapids 49503 | (616) 459-3737 |
| Catalyst Partners 80 Ottawa Ave Nw, Grand Rapids 49503 | (616) 454-1111 |
| Cirrus Environmental Svc 1444 Michigan St Ne, Grand Rapids 49503 | (616) 451-2800 |
| Clean Water Action 949 Wealthy St Se 207, Grand Rapids 49506 | (616) 742-4084 |
| Dixon Environmental Consulting 750 Ottawa Ave Nw, Grand Rapids 49503 | (616) 742-5511 |
| Earth Tech Inc 5555 Glenwood Hills Pkwy Se, Grand Rapids 49512 | (616) 942-9600 |
| Environmental Installation 3876 32nd St Se, Grand Rapids 49512 | (616) 262-9832 |
| Environmental-Fire Technology 3374 W River Dr Nw, Grand Rapids 49544 | (616) 784-0770 |
| Horizon Environmental 4771 50th St Se 1, Grand Rapids 49512 | (616) 554-3210 |
| King & Mac Gregor Envrnmntl 2520 Woodmeadow Dr Se, Grand Rapids 49546 | (616) 957-1231 |
| Wenck Associates Inc 1514 Wealthy St Se, Grand Rapids 49506 | (616) 776-9066 |
| Tri Matrix Laboratories Inc 5560 Corporate Exchange Ct Se1, Grand Rapids 49512 | (616) 975-4500 |
| Sustainable Research Group 1754 Alpine Ave Nw, Grand Rapids 49504 | (616) 365-3246 |
| Shaw Environmental/Infrstrctr 103 College Ave Se 3, Grand Rapids 49503 | (616) 774-3522 |
| Safety-Kleen Systems 2700 Mullins Ct Nw, Grand Rapids 49534 | (616) 453-7922 |
| Radon Control Svc 914 Alpine Ave Nw, Grand Rapids 49504 | (616) 458-4446 |
| P M Environmental Inc 1441 Arboretum Dr Se 200, Grand Rapids 49546 | (616) 285-8857 |