| Business | Phone |
| Four County Development 20370 Town Center Ln, Cupertino 95014 | (408) 452-9770 |
| Hunter Properties 20725 Valley Green Dr # 100, Cupertino 95014 | (408) 255-4100 |
| K T Properties 21710 Stevens Creek Blvd # 200, Cupertino 95014 | (408) 257-2100 |
| Landmark Properties 21060 Homestead Rd # 209, Cupertino 95014 | (408) 733-9693 |
| Sobrato Development Co 10600 N De Anza Blvd # 200, Cupertino 95014 | (408) 446-0700 |
| Storm Land Co 20725 Valley Green Dr, Cupertino 95014 | (408) 287-8402 |
| R & Z Development Co 21771 Stevens Creek Blvd, Cupertino 95014 | (408) 252-1101 |