| Business | Phone |
| Tibor Machine Products 2832 5th St, Rock Island 61201 | (309) 786-3052 |
| Seaberg Industries 8301 42nd St W, Rock Island 61201 | (309) 787-9494 |
| Gray Machine & Welding Inc 710 30th Ave, Rock Island 61201 | (309) 788-2501 |
| Rock Island Electric Motor Inc 211 31st Ave, Rock Island 61201 | (309) 788-9517 |