| Business | Phone |
| Aaa Alarm Systems 1301 8 St Sw #302, Calgary T2R 1B7 | (403) 233-7454 |
| Action Vac & Alarm Systems Ltd 416 Meridian Rd Se #B4, Calgary T2A 1X2 | (403) 243-8980 |
| Artex Security Systems Ltd 8120 Beddington Blvd Nw #300, Calgary T3K 2A8 | (403) 226-5461 |
| Group 4 Securitas Ltd 2635 37 Ave Ne, Calgary T1Y 5Z6 | (403) 735-1141 |
| Siemens Building Technology 240 4 Ave Sw #16, Calgary T2P 4H4 | (403) 269-5551 |
| I D Security Svc Ltd 3916 64 Ave Se #204, Calgary T2C 2B4 | (403) 236-9561 |
| Security Management Consulting 4015 1 St Se #1a, Calgary T2G 4X7 | (403) 287-2180 |