| Business | Phone |
| Educ Aide Software 33 Santa Paula Way, Vallejo 94590 | (707) 645-0258 |
| Excel Magnetic Intl Trading 2215 Sonoma Blvd, Vallejo 94590 | (707) 647-2039 |
| Wizguard Co 89 Del Sur St, Vallejo 94591 | (707) 554-6827 |
| Software Engineering Solutions 2920 Sonoma Blvd, Vallejo 94590 | (707) 552-1141 |