| Business | Phone |
| Arch & Struct Drafting 2471 Mackenzie Creek Rd, Chula Vista 91914 | (619) 781-2815 |
| Professional Design Svc 185 Tremont St, Chula Vista 91911 | (619) 420-4510 |
| Contreras Construction 226 Landis Ave, Chula Vista 91910 | (619) 691-7743 |
| De La Torre Construction 134 1st Ave, Chula Vista 91910 | (619) 422-1802 |
| Lavel Design 1683 Crossroads St, Chula Vista 91915 | (619) 421-4572 |