| Business | Phone |
| Lorantec Systems 1052 Pendleton Ave, Sunnyvale 94087 | (408) 245-0790 |
| Mobile Crossing Inc 1230 Oakmead Pkwy, Sunnyvale 94085 | (408) 738-8816 |
| Navigation Technologies Inc 740 E Arques Ave, Sunnyvale 94085 | (408) 617-5000 |
| Space Machine Inc 955 Benecia Ave, Sunnyvale 94085 | (408) 992-0899 |
| Trimble Navigation Ltd 749 N Mary Ave, Sunnyvale 94085 | (408) 481-8000 |
| Metrotech Corp 488 Tasman Dr, Sunnyvale 94089 | (408) 743-5564 |
| Northrop Grumman Mission Systs Sunnyvale 94089 | (408) 531-2000 |