| Business | Phone |
| A & L's Sheet Metal Inc 4230 Fox St, Denver 80216 | (303) 458-7739 |
| Apex Stainless Fabrication Inc 2322 S Kalamath St, Denver 80223 | (303) 935-5309 |
| Bacon Fabrication 1107 W Exposition Ave, Denver 80223 | (303) 722-4083 |
| Buckley & Co 5415 E Dakota Ave, Denver 80246 | (303) 333-0615 |
| Chavez Sheet Metal 4295 Inca St, Denver 80211 | (303) 477-0602 |
| H & S Residential Duct Supply 5569 Pearl St, Denver 80216 | (303) 295-0833 |
| Wray Sheet Metal 5495 Marion St, Denver 80216 | (303) 292-1116 |
| Jmr Precision 1125 S Jason St, Denver 80223 | (303) 778-6715 |
| Knerl Sheet Metal 431 W 84th Ave, Denver 80260 | (303) 427-3801 |
| Seader Sheet Metal 401 W 43rd Ave, Denver 80216 | (303) 477-0831 |
| Rdm Precision Metals Corp 2220 S Lipan St, Denver 80223 | (303) 934-5565 |