| Business | Phone |
| Enviro Risk Consulting Grp Inc 1176 Silverwood Bay, St Paul 55125 | (651) 735-7001 |
| Arden Environmental Engineer 3550 Lexington Ave N # 210, St Paul 55126 | (651) 484-5415 |
| Camp Dresser & Mc Kee Inc 445 Etna St # 65, St Paul 55106 | (651) 772-1313 |
| Environmental Concepts/Design 1844 Iglehart Ave, St Paul 55104 | (651) 643-0645 |
| Retec Group 413 Wacouta St # 400, St Paul 55101 | (651) 222-0841 |
| Service Environmental Engineer 675 Vandalia St, St Paul 55114 | (651) 644-6680 |