| Business | Phone |
| Ace Welding Po Box 1974, Boulder 80306 | (303) 443-9657 |
| Brown's Welding Inc 2754 47th St, Boulder 80301 | (303) 442-3946 |
| Gmb Metal Fabrication 5439 N Foothills Hwy, Boulder 80302 | (303) 413-1896 |
| Wilson Welding 1729 Valtec Ln, Boulder 80301 | (303) 443-4478 |