| Business | Phone |
| Air & Water Management Inc Minneapolis 55423 | (612) 861-4626 |
| Air Cleaning Technology Inc 13310 Industrial Park Bl # 195, Minneapolis 55441 | (763) 557-7162 |
| Air Climate Systems 2800 W Broadway Ave, Minneapolis 55411 | (612) 588-1032 |
| Breatheclean 9555 James Ave S # 220, Minneapolis 55431 | (952) 703-8962 |
| Glacier Technology Inc 1846 Berkshire Ln N, Minneapolis 55441 | (763) 577-0102 |
| Modern Air Solutions 2200 Dupont Ave N, Minneapolis 55411 | (612) 521-3580 |