| Business | Phone |
| Pinnacle Process Solution Intl 1159 Calle Tesoro, Chula Vista 91915 | (619) 216-9562 |
| G K Wu China Market Consultant 1055 Calle Del Amor, Chula Vista 91910 | (619) 656-2638 |
| J P Consulting & Accounting 895 Palomar St, Chula Vista 91911 | (619) 423-1088 |