| Business | Phone |
| Environmental Resources Inc N26w27478 Prospect Ave, Pewaukee 53072 | (262) 691-0998 |
| Jay Jones Environmental Svc W239n2890 Pewaukee Rd D, Pewaukee 53072 | (262) 523-2040 |
| Natural Resource Technology N27w23713 Paul Rd D, Pewaukee 53072 | (262) 523-9000 |