| Business | Phone |
| Adco Precision Machine 14127 Valley Dr, Longmont 80504 | (970) 535-4855 |
| Advanced Machining Inc 1243 Sherman Dr, Longmont 80501 | (303) 485-5256 |
| Automated Tool 13840 Deere Ct, Longmont 80504 | (970) 535-4125 |
| Clever Technology Inc 9031 Weld County Road 13, Longmont 80504 | (303) 678-1581 |
| Crystal Design & Mfg 1131 Delaware Ave # 3, Longmont 80501 | (303) 772-7508 |
| D C's Machining Products 1121 Delaware Ave, Longmont 80501 | (303) 772-1160 |
| Edwards Machining & Mfg 826 S Lincoln St, Longmont 80501 | (303) 485-8860 |
| Engineering Support Systems 11755 N 75th St, Longmont 80503 | (303) 772-5044 |
| G-Tek Machining 1100 Delaware Ave, Longmont 80501 | (970) 663-5962 |
| Guy Tech Machining 1115 Colorado Ave # B, Longmont 80501 | (720) 494-4646 |
| Hi Tech Specialists 33 S Pratt Pkwy, Longmont 80501 | (303) 684-9585 |
| J & M Mfg Inc 8554 N 107th St, Longmont 80504 | (303) 651-0703 |
| Jit Machining Inc 14117 Valley Dr, Longmont 80504 | (970) 535-0905 |
| K & K Co 13975 Elmore Rd, Longmont 80504 | (303) 682-0096 |
| Kosmerl Machine Inc 8413 Kosmerl Pl, Longmont 80504 | (303) 678-5840 |
| Longmont Machining Inc 1025 Delaware Ave, Longmont 80501 | (303) 776-6629 |
| Mbk Machine 7450 Johnson Dr # A, Longmont 80504 | (303) 651-9550 |
| Mc Roberts Machine 402 Martin St, Longmont 80501 | (303) 776-2397 |
| Midnight Oil Machining 1830 Boston Ave, Longmont 80501 | (303) 774-1830 |
| Morgan Technologies 8101 E I25 Frontage Rd, Longmont 80504 | (303) 651-1990 |
| Parra's Precision Machine Inc 824 S Lincoln St, Longmont 80501 | (303) 776-6927 |
| Precision Technology Inc 1035 Delaware Ave # B, Longmont 80501 | (303) 678-1733 |
| R & R Machine Shop 1644 Collyer St, Longmont 80501 | (303) 682-0934 |
| Rnd Machining Inc 14311 Mead St, Longmont 80504 | (970) 535-4458 |
| S & W Machining & Mfg Llc 1116 Colorado Ave, Longmont 80501 | (303) 772-2538 |
| Specialty Products Co 14331 Hilltop Rd, Longmont 80504 | (970) 532-2686 |
| St Vrain Manufacturing Co 700 Weaver Park Rd # A, Longmont 80501 | (303) 702-1529 |
| Stromberg's Precision Inc 820 Cheyenne Ave, Longmont 80501 | (303) 776-9091 |
| Venture Manufacturing Co Inc 2500 Trade Center Ave # D, Longmont 80503 | (303) 530-0505 |
| W-P Instruments Inc 802 S Sherman St # B, Longmont 80501 | (303) 772-1325 |
| Wellborn Machining Inc 1530 Vista View Dr, Longmont 80504 | (720) 652-0991 |