| Business | Phone |
| Aceka Protection Svc 9646 Langston St, Rancho Cucamonga 91730 | (909) 980-3727 |
| Mijac Alarm 10777 Civic Center Dr, Rancho Cucamonga 91730 | (909) 982-7612 |
| Protection Service Industries 10535 Foothill Blvd # 350, Rancho Cucamonga 91730 | (909) 889-1161 |
| R Karubian Alarm Line Rancho Cucamonga 91730 | (909) 483-5508 |
| United Security Systems Inc 9651 Business Center Dr # C, Rancho Cucamonga 91730 | (909) 980-8848 |