| Business | Phone |
| Abstract Technologies 348 Marshall Crt, Ottawa K1H 6A4 | (613) 248-0945 |
| A Alliance Security Of Ottawa 165 Grandpark Cir, Ottawa K1G 6R5 | (613) 860-0396 |
| A Avenue Security Ctr Inc 738 Bank St, Ottawa K1S 3V4 | (613) 237-3000 |
| Aba Security 738 Bank St, Ottawa K1S 3V4 | (613) 235-4444 |
| Alarm Microtec 2212 Gladwin Cres #B4, Ottawa K1B 5N1 | (613) 739-3351 |
| Amesos Drasis Response Ctr Inc 2660 Southvale Cres #224, Ottawa K1B 4W5 | (613) 737-5278 |
| Henderson Security Solutions 356 Woodroffe Ave, Ottawa K2A 3V6 | (613) 728-6441 |
| Kodiak Security Systems Inc 2285 St Laurent Blvd #B1, Ottawa K1G 4Z5 | (613) 737-4553 |
| Octagon Automation & Security 2435 Concession 10, Ottawa L0M 1P0 | (705) 443-8888 |
| Orage Security Network Inc 1755 Woodward Dr, Ottawa K2C 0P9 | (613) 727-3000 |
| Pro Com Elite Security Inc 2548 Sheffield Rd, Ottawa K1B 3V7 | (613) 742-3447 |
| Quebec-Ontario Alarms 612 Pleasant Park Rd, Ottawa K1H 5N1 | (613) 745-2111 |
| Barnes Electronic Protection 988 Pinecrest Rd, Ottawa K2B 6B5 | (613) 726-6349 |
| Safeguard Security Systems 1938 Olympia Cres, Ottawa K1G 2B2 | (613) 521-1659 |
| Security 24 Monitoring Network 1755 Woodward Dr #324, Ottawa K2C 0P9 | (613) 228-2400 |
| Security Co 103 Pattermead Cres, Ottawa K1V 0B9 | (613) 260-1972 |
| Security Technical Team 2660 Southvale Cres #117, Ottawa K1B 4W5 | (613) 738-2228 |
| Tri-Ed Ltd 2664 Lancaster Rd, Ottawa K1B 4T7 | (613) 733-2279 |
| Ultralarm 532 Montreal Rd, Ottawa K1K 0T9 | (613) 860-6666 |
| Webvision Security Systems Inc 4 Wagner Rd, Ottawa L0M 1P0 | (705) 446-2200 |
| Boxma Total Security Inc 2473 Sheffield Rd, Ottawa K1B 3V6 | (613) 741-5587 |
| Burtek Ssi 1366 Triole St #201, Ottawa K1B 3M4 | (613) 745-2000 |
| Canco Security Svc Ltd 2000 Thurston Dr, Ottawa K1G 4K7 | (613) 247-3338 |
| Federal Security Systems 1570 Liverpool Crt, Ottawa K1B 4L2 | (613) 244-0407 |