| Business | Phone |
| Blackford Weighing Systems 850 W 62nd Ave, Denver 80221 | (303) 430-4338 |
| Cardinal Detecto Scale Mfg Co 1800 W Colfax Ave, Denver 80204 | (303) 629-6617 |
| Mountain Scales Inc 12445 E 39th Ave # 410, Denver 80239 | (303) 371-3966 |
| Certified Balance Svc Inc 3100 S Sheridan Blvd # 1c-505, Denver 80227 | (720) 851-6051 |