| Business | Phone |
| Big Horn Door & Hardware Llc 455 W Wesley Ave, Denver 80223 | (303) 733-5909 |
| Denver Hardware Co 3200 Walnut St, Denver 80205 | (303) 292-3550 |
| Hardware Specialty Co 3700 Havana St # 202, Denver 80239 | (303) 371-8553 |
| Levering Hall & Assoc 1111 Race St # 8a, Denver 80206 | (303) 526-1244 |
| Rio Grande Co 3990 Havana St, Denver 80239 | (303) 375-0913 |