| Business | Phone |
| Gezon Tool Svc 320 Rumsey St Sw, Grand Rapids 49503 | (616) 451-2725 |
| Grand Rapids Power Tools Inc 1765 Kreft St Ne, Grand Rapids 49525 | (616) 363-8326 |
| Grand Rapids Tooling Center 1448 Madison Ave Se, Grand Rapids 49507 | (616) 245-6599 |
| Mold Tooling Systems 2972 Wilson Dr Nw, Grand Rapids 49534 | (616) 735-6653 |