| Business | Phone |
| Association-Retarded Citizens 1374 E Lexington Ave, El Cajon 92019 | (619) 444-9417 |
| Association-Retarded Citizens 1855 John Towers Ave, El Cajon 92020 | (619) 448-2415 |
| Center Independent Achievement 698 W Main St, El Cajon 92020 | (619) 440-3300 |
| Expanding Horizons Disability 1934 John Towers Ave, El Cajon 92020 | (619) 448-8443 |