| Business | Phone |
| Abs Alarm Co 860 Lassen Ct, Tracy 95376 | (209) 835-6003 |
| Delta Alarm-Home Entertainment Tracy 95376 | (209) 835-9502 |
| Hue & Cry Security Systems Inc Tracy 95376 | (209) 834-8687 |
| Paradigm Integration Inc 192 W Larch Rd # F, Tracy 95304 | (209) 839-8686 |
| Psi Alarms Po Box 789, Tracy 95378 | (209) 832-1100 |
| Safe & Sound Systems 3246 Jeanette Ct, Tracy 95376 | (209) 835-9533 |