| Business | Phone |
| Pollution Technology Llc 6808 University Ave, Middleton 53562 | (608) 831-2730 |
| Jjs Environmental Middleton 53562 | (608) 827-8995 |
| Natural Resources Consulting 6429 Maywood Ave, Middleton 53562 | (608) 827-5668 |
| Midwest Environics Inc 7121 Spring Hill Dr, Middleton 53562 | (608) 831-8838 |