| Business | Phone |
| Aps Overhead Doors & Security 1209 N 2nd St, El Cajon 92021 | (619) 588-6385 |
| Access Automation Distributors 437 Vernon Way, El Cajon 92020 | (619) 579-0977 |
| Petricks Electronic Gate El Cajon 92020 | (619) 593-0409 |
| House Of Automation 453 Vernon Way, El Cajon 92020 | (619) 441-7400 |