| Business | Phone |
| Aanda Inc 495 N Westwind Dr, El Cajon 92020 | (619) 590-1820 |
| C & R Pier 212 Paradox Ln, El Cajon 92021 | (619) 440-0357 |
| Delta Mechanical 1417 N 2nd St, El Cajon 92021 | (619) 579-9700 |
| Kta Construction 1920 Cordell Ct # 105, El Cajon 92020 | (619) 562-9464 |