| Business | Phone |
| Alarm Team Ontario 91762 | (909) 988-3306 |
| Armtech Security Burglary Co Ontario 91762 | (909) 988-2980 |
| Cal Pac Protection 430 N Vineyard Ave, Ontario 91764 | (714) 939-9988 |
| Red Hawk Industries 611 S Palmetto Ave, Ontario 91762 | (909) 984-9288 |
| Rsm Alarms 2609 S Woodlark Dr, Ontario 91761 | (909) 673-7643 |
| Security Plus 2632 S Lexington Pl, Ontario 91761 | (909) 947-7236 |