| Business | Phone |
| A1a Security Garden Grove 92840 | (714) 971-7171 |
| Ace Electronics Alarm Co Garden Grove 92843 | (714) 530-0130 |
| Andrews Security Div 12908 Haster St, Garden Grove 92840 | (714) 750-5050 |
| Hawkeye Security 7703 Garden Grove Blvd, Garden Grove 92841 | (714) 369-0268 |
| Secure-Alert 12421 Loraleen St, Garden Grove 92841 | (714) 534-8506 |