| A A Surveying Service Inc | Map It! | 3076 Ne Diamond Lake Boulevard, A Roseburg, OR 97470 | (541) 672-2096 web |
| A Mazon Associates | Map It! | 1425 N Marine Drive Portland, OR 97217 | (503) 236-9870 |
| A-1 Marine Surveys | Map It! | 12950 Nw Marina Way Portland, OR 97231 | (503) 283-5558 |
| Abegweit Marine Surveyors | Map It! | 989 Se Uglow Avenue Dallas, OR 97338 | (503) 831-5154 web |
| ABS Americas | Map It! | 10011 Se Division Street 201 Portland, OR 97266 | (503) 228-1143 |
| Adkins Consulting Engineers Inc - Doug Adkins Pe | Map It! | 2950 Shasta Way Klamath Falls, OR 97603 | (541) 884-4666 web |
| AKS Engineering & Forestry | Map It! | 1810 Se 1st Street, K Redmond, OR 97756 | (541) 526-6975 web |
| Alexander GOW Inc Marine | Map It! | 3556 Nw Front Avenue 350 Portland, OR 97210 | (503) 224-1925 |
| All Boats Marine Surveyor | Map It! | 90609 Lewis And Clark Road Astoria, OR 97103 | (503) 338-3330 |
| All Oregon Land Surveying | Map It! | 25275 Loten Way Veneta, OR 97487 | (541) 935-0765 |
| All Points Engineering - Scott Montgomery Pe | Map It! | Po Box 767 Terrebonne, OR 97760 | (541) 548-5833 |
| All-County Surveyors & Planners Inc | Info | , OR | (503) 668-3151 web email |
| Alpha Community Development - J M Palmer Pe | Map It! | 9200 Sw Nimbus Avenue Portland, OR 97223 | (503) 452-8003 web |
| Anderson Engineering & Survey - Darryl Anderson Pe | Map It! | 17681 Highway 395 Lakeview, OR 97630 | (541) 947-4407 web |
| Anderson Perry & Associates - Brad Baird Pe | Map It! | 1901 N Fir Street La Grande, OR 97850 | (541) 963-8309 web |
| Andy Paris & Associates Inc | Map It! | 16057 Boones Ferry Road Lake Oswego, OR 97035 | (503) 636-3341 web |
| Armstrong Surveying & Engineering | Map It! | 267 Ne 2nd Street, 100 Prineville, OR 97754 | (541) 447-7791 web |
| Associated Land Surveyors | Map It! | Oregon City, OR 97045 | (503) 656-9440 |
| Associated Land Surveyors | Map It! | 375 Portland Avenue Gladstone, OR 97027 | (503) 656-9440 |
| Azimuth Surveying | Map It! | 2015 Market Street Northeast Salem, OR 97301 | (503) 364-0026 web |
| Bagett Griffith & Blackman | Map It! | 217 N Canyon Boulevard John Day, OR 97845 | (541) 575-1251 |
| Bagett-Griffith & Blackman | Map It! | 210 W Main Street Enterprise, OR 97828 | (541) 426-4562 |
| Bagett-Griffith & Blackman | Map It! | 2006 Adams Avenue La Grande, OR 97850 | (541) 963-6092 |
| Baker & Associates Surveyors Inc | Map It! | 1347 Market Street Springfield, OR 97477 | (541) 343-7243 |
| Balzhiser & Hubbard Engineers | Map It! | 100 W 13th Avenue, 100 Eugene, OR 97401 | (541) 686-8478 web |
