| Business | Phone |
| Venture Softnet 3478 Buskirk Ave # 235, Pleasant Hill 94523 | (925) 946-1112 |
| Dictaphone Corp 704 Stonebridge Way, Pleasant Hill 94523 | (925) 691-9996 |
| E C Bridges 3470 Buskirk Ave, Pleasant Hill 94523 | (925) 932-5900 |
| Toomay Technologies 3313 Vincent Rd # 224, Pleasant Hill 94523 | (925) 296-2450 |