| Business | Phone |
| Aaa Alarm Co Oakland 94608 | (510) 652-9714 |
| Abc Electric 9851 Sobrante Rd, Oakland 94611 | (510) 339-1800 |
| Altodex Systems Oakland 94612 | (510) 273-9780 |
| Bee Safe Alarm Co Inc Oakland 94621 | (510) 562-9662 |
| Citizens Security Po Box 2621, Oakland 94614 | (510) 834-8254 |
| Discovery Bay Alarm 399 Orange St, Oakland 94610 | (925) 634-8575 |
| First Alarm Oakland 94611 | (510) 338-1111 |
| L & M Burglar Alarm Systems Oakland 94621 | (510) 635-3620 |
| Maco Security Products 4720 Shattuck Ave, Oakland 94609 | (510) 655-1043 |
| Miga Security Burglar Alarm 3340 Revere Ave, Oakland 94605 | (510) 562-3102 |
| Oadetect-All Security Systems 399 Orange St, Oakland 94610 | (510) 835-4100 |
| Protection Now 518 Mountain Blvd, Oakland 94611 | (510) 832-0910 |
| Security Surveillance Systems Oakland 94601 | (510) 345-6671 |
| Sentry Alarm Systems 330 2nd St, Oakland 94607 | (510) 763-2727 |
| Bay Alarm Co 9836 Kitty Ln, Oakland 94603 | (510) 291-2600 |
| First Alarm 7700 Edgewater Dr, Oakland 94621 | (510) 499-1110 |
| Warren Security Systems Inc Oakland 94612 | (510) 839-5370 |