| Business | Phone |
| Colorado Fire Systems 3858 S Truckee Way, Aurora 80013 | (303) 693-4303 |
| Fire Alarm Drafting & Design 6896 S Norfolk St, Aurora 80016 | (303) 337-3133 |
| Firetrol Protection Systems 3538 Peoria St # 506, Aurora 80010 | (303) 366-5875 |
| Global Fire & Safety 1591 Fulton St # 200, Aurora 80010 | (303) 367-1959 |