| Business | Phone |
| Jamar Co 1681 Brookfield Ave, Green Bay 54313 | (920) 662-1002 |
| Johnson & Jonet Mech Contr 1800 Sal St, Green Bay 54302 | (920) 499-1000 |
| Mechanical Technologies Inc 1901 S Oneida St, Green Bay 54304 | (920) 490-0135 |
| Mechanical Technologies Inc 701 Morley Rd, Green Bay 54303 | (920) 491-5860 |
| Reeke-Marold Co 1337 S Broadway, Green Bay 54304 | (920) 435-5377 |
| Tweet Garot Mechanical Inc 2545 Larsen Rd, Green Bay 54303 | (920) 498-0400 |