| Business | Phone |
| 911 Alarm Monitoring Svc 2801 San Pablo Ave, Berkeley 94702 | (510) 444-8888 |
| Apex Alarm 2801 San Pablo Ave, Berkeley 94702 | (510) 548-0515 |
| East Bay Security 2600 Warring St, Berkeley 94704 | (510) 528-0388 |
| Red Alarm Inc 2801 San Pablo Ave, Berkeley 94702 | (510) 841-4000 |
| Security Engineers 2946 Martin Luther King Jr Way, Berkeley 94703 | (510) 849-2666 |