| Business | Phone |
| Cole Surveying Llc 6765 Sw Philomath Blvd, Corvallis 97333 | (541) 929-5500 |
| Darryl Harms Surveyor 275 Sw Avery Ave # A, Corvallis 97333 | (541) 745-3948 |
| Larry Hunnemuller Surveyor 3055 Ne Lancaster St, Corvallis 97330 | (541) 757-7614 |
| Meridian Surveying & Mapping 940 Se Bell Ave, Corvallis 97333 | (541) 738-2772 |
| Northstar Surveying 720 Nw 4th St, Corvallis 97330 | (541) 757-9050 |
| Parsons Surveying 1915 Se Stone St, Corvallis 97333 | (541) 752-7515 |
| Peterson & Assoc 8155 Nw Mitchell Dr, Corvallis 97330 | (541) 757-1794 |
| Springer Surveying 37056 Moss Rock Dr, Corvallis 97330 | (541) 745-5798 |