| Business | Phone |
| Wilson Engineering & Surveying Terre Haute 47802 | (812) 231-1246 |
| Johnson Surveying Inc 6622 N Marmon Ct, Terre Haute 47805 | (812) 466-9447 |
| Keller Survey Svc 4230 S 12th St, Terre Haute 47802 | (812) 299-3348 |
| Little Vince Surveying 30 S 21st St, Terre Haute 47803 | (812) 242-2990 |