| Business | Phone |
| St Paul Corrugating Co 700 39th Ave Ne, Minneapolis 55421 | (763) 788-9271 |
| Lake Air Metal Products 385 90th Ave Nw, Minneapolis 55433 | (763) 785-2429 |
| Atlas Manufacturing 2950 Weeks Ave Se, Minneapolis 55414 | (612) 331-2566 |
| Boeser Inc 2901 4th St Se, Minneapolis 55414 | (612) 378-1803 |
| Destiny Industries Mfg Co 1620 Central Ave Ne, Minneapolis 55413 | (612) 781-4553 |
| John Larson Sheet Metal Co 150 W 60th St, Minneapolis 55419 | (612) 861-2920 |
| Olson Sheet Metal Works Inc 925 E Hennepin Ave, Minneapolis 55414 | (612) 331-6360 |
| Upper Midwest Industries Inc 2940 Weeks Ave Se, Minneapolis 55414 | (612) 378-1071 |
| Production Engineering Corp 3515 Marshall St Ne, Minneapolis 55418 | (612) 788-9123 |
| R & M Mfg Co 4838 W 35th St, Minneapolis 55416 | (952) 929-0468 |
| Stremel Manufacturing Co 260 Plymouth Ave N, Minneapolis 55411 | (612) 339-8261 |