| Business | Phone |
| Assured Environmental Assoc 14120 W Glendale Ave, Brookfield 53005 | (262) 781-4646 |
| Axis Engineering 16225 Cumberland Trl, Brookfield 53005 | (262) 790-2696 |
| Bls Environmental Inc 1825 N 166th St, Brookfield 53005 | (262) 860-8937 |
| Wisconsin Microbial Inc 13435 Kinsey Park Dr, Brookfield 53005 | (262) 784-6424 |
| Environ-Safe Consulting Llc 19395 W Capitol Dr, Brookfield 53045 | (262) 790-2500 |
| Environmental Audits Inc 120 Bishops Way 130, Brookfield 53005 | (262) 785-9322 |
| Janard Engineering Inc 880 Foxkirk Dr, Brookfield 53045 | (262) 792-1150 |