| Business | Phone |
| Ace Machine 1415 E Front Ave, Bismarck 58504 | (701) 223-9663 |
| D & R Machine Shop 323 S 22nd St, Bismarck 58504 | (701) 224-8434 |
| D S Machine 3702 Franklin Ave, Bismarck 58503 | (701) 222-4424 |
| Modern Machine Works 921 E Front Ave, Bismarck 58504 | (701) 223-1375 |