| Business | Phone |
| Dimoco Inc 3535 Raleigh Ave Se, Grand Rapids 49512 | (616) 957-2511 |
| Engineered Tooling Systems Inc 2780 Courier Dr Nw, Grand Rapids 49534 | (616) 735-0077 |
| Gill Tool & Die Inc 5801 Clay Ave Sw, Grand Rapids 49548 | (616) 531-7730 |
| H S Die & Engineering Inc O-215 Lake Michigan Dr Nw, Grand Rapids 49534 | (616) 453-5451 |
| Kx4 Machine & Tool 12964 8th Ave Nw, Grand Rapids 49534 | (616) 677-3949 |
| Wyke Die & Engineering Inc 4575 44th St Se, Grand Rapids 49512 | (616) 954-1433 |
| Walker Tool & Die Inc 2411 Walker Ave Nw, Grand Rapids 49544 | (616) 453-0385 |
| Ranger Die Inc 2024 Kinney Ave Nw, Grand Rapids 49534 | (616) 453-0901 |
| Production Tool Supply 4782 44th St Se, Grand Rapids 49512 | (616) 956-6353 |