| Business | Phone |
| D & A Environmental 402 S Brown St, Jackson 49203 | (517) 783-3883 |
| Delta Environmental Consltnts 414 S Jackson St # 1, Jackson 49201 | (517) 768-2221 |
| International Mill Svc 3100 Brooklyn Rd, Jackson 49203 | (517) 764-5123 |
| Plhase I Site Assessments 1746 Malvern Dr, Jackson 49203 | (517) 784-6202 |
| Mid Michigan Environmental 2922 Wildwood Ave, Jackson 49202 | (517) 768-5500 |