| Business | Phone |
| Advanced Alloys Inc 600 S Sunset St # B, Longmont 80501 | (303) 702-1997 |
| Compfab Inc 1100 Delaware Ave # A, Longmont 80501 | (303) 776-7129 |
| D & T Fabrication 8642 Mineral Rd, Longmont 80503 | (303) 652-0629 |
| Dale's Mobile Welding Llc 71 E 2nd Ave, Longmont 80501 | (303) 530-7076 |
| Heritage Tool & Die Welding Co 1116 Colorado Ave, Longmont 80501 | (303) 776-2810 |
| Klm Welding & Fabrication 1428 S Grant St, Longmont 80501 | (303) 682-1717 |
| Mile High Metal Works Inc 7601 Miller Dr # G, Longmont 80504 | (303) 485-8283 |
| Mountain View Welding Inc 1240 Kimbark St, Longmont 80501 | (303) 776-7845 |
| Sheffer Welding & Fabrication 12753 Grandview Dr, Longmont 80504 | (303) 684-0731 |
| Wagy Welding & Svc 3030 County Road 20 # 12, Longmont 80504 | (303) 678-0923 |