| Business | Phone |
| A Alarm Co 6753 Glasgow Ave, San Bernardino 92404 | (909) 889-4025 |
| All Around Security Systems San Bernardino 92404 | (909) 881-1998 |
| Kog Alarm Co San Bernardino 92410 | (909) 889-7663 |
| Maximum Security Alarm 1572 N Waterman Ave, San Bernardino 92404 | (909) 381-4979 |
| Safeguard Security San Bernardino 92407 | (909) 887-5211 |
| Sonitrol Security Systems 320 Orange Show Ln, San Bernardino 92408 | (909) 889-1161 |