| Business | Phone |
| Arrow Sheet Metal Products 2890 W 62nd Ave, Denver 80221 | (303) 427-6419 |
| Majestic Metals Inc 7770 Washington St, Denver 80229 | (303) 288-6855 |
| Calebs Sheet Metal Inc 2555 S Santa Fe Dr, Denver 80223 | (303) 871-8762 |
| Chavez Sheet Metal 1001 W 42nd Ave, Denver 80211 | (303) 455-9387 |
| Precision Design & Mfg 2001 E 74th Ave, Denver 80229 | (303) 287-9650 |
| Comfort Products 445 Bryant St, Denver 80204 | (720) 932-8636 |
| Cowboy Metal Products Inc 1075 S Galapago St, Denver 80223 | (303) 778-0851 |
| Custom Metal Mfg Inc 5010 Cook St, Denver 80216 | (303) 293-9333 |
| Dsm Mfg 2065 S Cherokee St, Denver 80223 | (303) 722-4611 |
| Goldberg Brothers Inc 8000 E 40th Ave, Denver 80207 | (303) 321-1099 |
| Heabler Metal Products 148 Vallejo St, Denver 80223 | (303) 778-6517 |
| Hercules Industries Inc 1310 W Evans Ave, Denver 80223 | (303) 937-1000 |
| Weather Guard Building Prods 4850 Moline St, Denver 80239 | (303) 307-0900 |
| Scherer Metals Inc 3518 Larimer St, Denver 80205 | (303) 295-2412 |