| Business | Phone |
| Barr Engineering 555 W 27th St, Hibbing 55746 | (218) 262-3465 |
| Design Group Inc 1711 E 13th St # 201, Hibbing 55746 | (218) 262-1959 |
| Meriden Engineering 1910 8th Ave E, Hibbing 55746 | (218) 262-6127 |
| Noramco Engineering Corp 2729 13th Ave E, Hibbing 55746 | (218) 262-1093 |
| Rlk-Kuusisto Ltd 303 E 19th St, Hibbing 55746 | (218) 262-5528 |