| Business | Phone |
| Summit Aire Inc 825 E 73rd Ave, Denver 80229 | (303) 322-0267 |
| Gases & Arc Supply Inc 5691 Franklin St, Denver 80216 | (303) 477-8037 |
| General Welding Supply Co 4055 Walnut St, Denver 80205 | (303) 292-5319 |
| Kanox Inc 1405 S Platte River Dr, Denver 80223 | (303) 722-1952 |
| Linweld 4705 Nome St, Denver 80239 | (303) 373-5633 |
| Nasco-Denver 4305 Oneida St, Denver 80216 | (303) 388-2427 |
| Praxair Distribution Inc 1330 Zuni St # M, Denver 80204 | (303) 436-9322 |