| Business | Phone |
| Marble Falls Surveying 1500 Ollie Ln, Marble Falls 78654 | (830) 693-8815 |
| Willis-Sherman Assoc Surveying 310 Main St, Marble Falls 78654 | (830) 693-3566 |
| Bergman Engineering 916 Broadway St, Marble Falls 78654 | (830) 693-2231 |
| Holland Surveying Llc 1510 Us Highway 281 # 106, Marble Falls 78654 | (830) 798-8850 |