| Business | Phone |
| Rapid Die & Engineering Inc 2031 Calvin Ave Se, Grand Rapids 49507 | (616) 241-5406 |
| Rayco Mold & Manufacturer 3959 Linden Ave Se, Grand Rapids 49548 | (616) 452-0653 |
| 2k Tool 2100 Nelson Ave Se, Grand Rapids 49507 | (616) 452-4927 |
| Action Mold & Machining 3120 Ken O Sha Ind Park Ct Se, Grand Rapids 49508 | (616) 452-1580 |
| Classic Die Inc 610 Plymouth Ave Ne, Grand Rapids 49505 | (616) 454-3760 |
| Erwin Quarder Inc 5101 Kraft Ave Se, Grand Rapids 49512 | (616) 575-1600 |
| Focus Mold & Machinging Inc 2141 Walker Ave Nw, Grand Rapids 49544 | (616) 791-8020 |
| General Die & Engineering Inc 6500 Clay Ave Sw, Grand Rapids 49548 | (616) 698-6961 |
| Grand Die Engravers 233 Wealthy St Sw, Grand Rapids 49503 | (616) 459-0404 |
| H S Technologies O-159 1st Ct Nw, Grand Rapids 49534 | (616) 453-2299 |
| Integrity Molds 8031 Division Ave S, Grand Rapids 49548 | (616) 281-2010 |
| Kdm Design & Engineering Inc 4562 Loggers Run Ne, Grand Rapids 49525 | (616) 447-7953 |
| Krieger Craftsmen Inc 2720 3 Mile Rd Nw, Grand Rapids 49534 | (616) 735-9200 |
| Laser Die & Engineering 4949 W Greenbrooke Dr Se, Grand Rapids 49512 | (616) 698-0590 |
| Tracer Tool & Die Co 3800 Buchanan Ave Sw, Grand Rapids 49548 | (616) 452-6939 |
| Rayco Mold & Mfg 3925 Linden Ave Se, Grand Rapids 49548 | (616) 452-7657 |
| Paragon Die & Engineering Co 5225 33rd St Se, Grand Rapids 49512 | (616) 949-2220 |
| Parker Tooling & Design 2563 3 Mile Rd Nw, Grand Rapids 49534 | (616) 791-1080 |
| Model Die & Mold Inc 3859 Roger B Chaffee Mem Dr Se, Grand Rapids 49548 | (616) 243-6996 |
| Mold Makers Square O-699 Tallmadge Woods Dr Nw, Grand Rapids 49534 | (616) 791-6600 |
| Metric Die & Engineering 320 Marion Ave Sw, Grand Rapids 49504 | (616) 451-2495 |
| Marton Tool Inc 5 Colfax St Ne, Grand Rapids 49505 | (616) 361-7337 |
| Matador Tool & Die 1959 Will Ave Nw, Grand Rapids 49504 | (616) 365-0061 |