| Business | Phone |
| Mds Consulting 78900 Avenue 47 # 208, La Quinta 92253 | (760) 771-4013 |
| Tri-State Land Surveyors 78120 Calle Estado # 102, La Quinta 92253 | (760) 564-0271 |
| Watson & Watson Engineering 79440 Corporate Center Dr #107, La Quinta 92253 | (760) 771-6237 |