| Business | Phone |
| Advanced Security Technology 3585 Maple St # 262, Ventura 93003 | (805) 650-8758 |
| Alert Security 263 Comstock Dr, Ventura 93001 | (805) 656-2511 |
| Bay Alarm Co 2264 Goodyear Ave, Ventura 93003 | (805) 529-6484 |
| Crime Busters Security 4476 Market St, Ventura 93003 | (805) 647-3934 |
| Detection Technology Ventura 93004 | (805) 659-0672 |
| Kelly Protection Ventura 93001 | (805) 641-1604 |
| Morris Alarm Systems Ventura 93003 | (805) 656-2660 |
| Night & Day Security 101 S Ashwood Ave, Ventura 93003 | (805) 659-2764 |
| Security Signal Devices 2140 Eastman Ave # 111, Ventura 93003 | (805) 445-1196 |