| Business | Phone |
| Benchmark Land Surveying 303 S Hamilton Rd, Gahanna 43230 | (614) 472-3333 |
| Terra Surveying Svc Llc 238 Academy Woods Dr, Gahanna 43230 | (614) 471-0663 |
| Gahanna Dispute & Resolution 1161 N Hamilton Rd, Gahanna 43230 | (614) 478-1318 |
| James R Hill Surveying 351 Coldwell Ct, Gahanna 43230 | (614) 473-9197 |