| Business | Phone |
| Azimuth Group 1587 Morse Ave # F, Ventura 93003 | (805) 289-9407 |
| Coast & Valley Land Surveying 7045 La Fonda Ct, Ventura 93003 | (805) 642-6246 |
| Latitude Land Surveying 1198 Navigator Dr, Ventura 93001 | (805) 658-1009 |
| Rincon Surveys Ventura 93001 | (805) 653-7476 |
| W M Holdings Inc 2747 Sherwin Ave # 12, Ventura 93003 | (805) 677-4850 |