| Business | Phone |
| Jdk Controls Inc 424 Crown Point Cir, Grass Valley 95945 | (530) 273-4608 |
| Grand View Technology Grass Valley 95949 | (530) 268-0190 |
| Heinrich-Soloman Inc 11191 La Barr Meadows Rd, Grass Valley 95949 | (530) 273-4187 |
| Starline Busway 12039 Alta Sierra Dr, Grass Valley 95949 | (530) 272-1431 |
| Target Technology Inc Grass Valley 95945 | (530) 272-9091 |
| Z F Microsystems 440 Henderson St, Grass Valley 95945 | (650) 965-3800 |