| Business | Phone |
| Future Imaging System 5327 Jacuzzi St # 3j, Richmond 94804 | (510) 525-6022 |
| Creative Customized Solutions Po Box 5418, Richmond 94805 | (510) 236-4813 |
| Engineering Graphic Systems 56 Nicholl Ave, Richmond 94801 | (510) 231-0502 |
| Tecmark 6822 Del Monte Ave, Richmond 94805 | (510) 237-5577 |