| Business | Phone |
| Geer Surveying & Engineering 1512 W University Dr 300, Mckinney 75069 | (972) 562-3959 |
| Lone Star Surveys 713 Tower Ln, Mckinney 75069 | (214) 544-2170 |
| Surdukan Surveying Inc 9883 W University Dr, Mckinney 75071 | (972) 542-1446 |
| Sparr Surveys 2553 County Road 722, Mckinney 75069 | (214) 544-2297 |
| Ringley & Assoc Inc 410 N Tennessee St, Mckinney 75069 | (972) 542-1266 |