| Business | Phone |
| Andrus Reinhardt Design Cncl 1779 Asbury Rd Se, Grand Rapids 49506 | (616) 942-2470 |
| Breakaway Engineering & Prjct 2449 Camelot Ct Se, Grand Rapids 49546 | (616) 456-0479 |
| Cadd Tech Llc 3010 Shaffer Ave Se 5, Grand Rapids 49512 | (616) 949-2291 |
| Chesser Schacht Design 3150 Broadmoor Ave Se, Grand Rapids 49512 | (616) 956-3319 |
| Die Cad Group Inc 3258 Clear Vista Ct Ne, Grand Rapids 49525 | (616) 365-2454 |
| Digital Forming Technology 820 Monroe Ave Nw, Grand Rapids 49503 | (616) 451-9350 |
| Doulos Enterprises Inc 2020 Raybrook St Se, Grand Rapids 49546 | (616) 464-3334 |
| Horizon Automation Designs 820 Monroe Ave Nw, Grand Rapids 49503 | (616) 301-1332 |
| Imperial Design Personnel 1958 Wilson Ave Sw, Grand Rapids 49534 | (616) 791-9225 |
| Velocity Design & Engineering 959 Lake Dr Se, Grand Rapids 49506 | (616) 458-6470 |
| Vorel Cad Design 6650 Burger Dr Se, Grand Rapids 49546 | (616) 954-1995 |
| Unigraphics Solutions 3215 Eagle Crest Dr Ne, Grand Rapids 49525 | (616) 942-2816 |
| Total Design Concepts 3680 44th St Se, Grand Rapids 49512 | (616) 554-9460 |
| Synergy Product Development 5441 36th St Se, Grand Rapids 49512 | (616) 458-2800 |
| T & D Designs O-703 Tallmadge Woods Dr Nw, Grand Rapids 49534 | (616) 735-9852 |
| Robert Shapton Product Design 553 Greenwood Ave Se, Grand Rapids 49506 | (616) 774-0953 |
| Plow 1471 Genessee St Se, Grand Rapids 49506 | (616) 456-1364 |
| Midwest Design Corp 410 Glen Oak Dr Nw, Grand Rapids 49544 | (616) 784-5252 |