| Business | Phone |
| Aim Processing Inc 1650 Skyway Dr, Longmont 80504 | (303) 684-0931 |
| Americule Inc 14266 Mead St, Longmont 80504 | (970) 535-9007 |
| Avedon Engineering Inc 811 S Sherman St, Longmont 80501 | (303) 772-2633 |
| Byers Industries Inc 810 S Sherman St, Longmont 80501 | (303) 678-7592 |
| Century Plastics & Engineering 1224 Sherman Dr, Longmont 80501 | (303) 678-0495 |
| Front Range Tooling 7700 Miller Dr, Longmont 80504 | (303) 776-2295 |
| Jml Molding 1336 Sherman Dr, Longmont 80501 | (303) 651-9090 |
| Mountain Molding Inc 14444 E I25 Frontage Rd, Longmont 80504 | (970) 535-4777 |
| Nypro Colorado 1801 Iron Horse Dr, Longmont 80501 | (303) 772-5202 |
| Rapid Pro Mfg Rapid Prototypng 14478 E I25 Frontage Rd, Longmont 80504 | (970) 535-0550 |
| Xpectra Inc 6325 Monarch Park Pl, Longmont 80503 | (303) 652-0232 |