| Business | Phone |
| Burmac Manufacturing Inc 4000 Burmac Rd, Ottawa 61350 | (815) 434-1660 |
| Cold Well Bankers Honing 102 E Norris Dr, Ottawa 61350 | (815) 431-8944 |
| Johnson Pattern & Machine Co 350 W Marquette St, Ottawa 61350 | (815) 433-2775 |
| Ottawa Machine 1659 N 2501st Rd, Ottawa 61350 | (815) 434-0211 |
| Superior Machine & Repair Inc 1411 Canal St, Ottawa 61350 | (815) 434-7402 |