| Business | Phone |
| Akt Peerless 115 W Allegan St, Lansing 48933 | (517) 482-9227 |
| Wetland & Coastal Resources 5801 W Michigan Ave, Lansing 48917 | (517) 327-0970 |
| Water & Woods Ecology 2510 Kerry St, Lansing 48912 | (517) 316-2358 |
| Bill Barr Inc 2122 Glenn St, Lansing 48906 | (517) 372-5548 |
| Compli-Chek Environmental Svc 2709 Geert Ct, Lansing 48910 | (517) 394-0454 |
| Diversified Environmental Svc 3911 Barton Rd, Lansing 48917 | (517) 323-2940 |
| Patton Consulting Inc 1500 Clifton Ave, Lansing 48910 | (517) 371-2789 |
| Norhtern Environmental Techs 15851 S Us Highway 27 318, Lansing 48906 | (517) 702-0470 |
| P M Environmental Inc 3340 Ranger Rd, Lansing 48906 | (517) 485-3333 |
| Ground Water Solutions Inc 2500 Kerry St 202, Lansing 48912 | (517) 346-5080 |
| J & M Jacobs & Assoc 3501 Glasgow Dr, Lansing 48911 | (517) 393-6259 |
| Akt Peerless Environmental 115 W Allegan St 900, Lansing 48933 | (517) 787-3393 |