| Business | Phone |
| Active Garage Door Svc 5001 N Glen Arden Ave, Covina 91724 | (626) 890-0445 |
| American Industrial Door Co 580 N Azusa Ave # 7, Covina 91722 | (626) 339-6767 |
| Codco Overhead Door Corp 4002 N Hartley Ave, Covina 91722 | (626) 338-7430 |
| Modern Finish Inc 15944 E Mc Gill St, Covina 91722 | (626) 337-3856 |
| Pioneer Door Inc 1017 W San Bernardino Rd, Covina 91722 | (626) 339-9009 |