Marion County
Local NEHA certified Radon Measurement Specialists
Certified Radon Inspectors
NEHA Certified Radon Measurement Specialists
| Company | Inspector | Phone | City | County |
| Pillar to Post Professional Home Inspections | Robert Riensche | (503) 452-7711 | Portland | Multnomah |
| Cascade Radon, Inc | Stephen F. Tucker | (503) 421-4813 | Portland | Multnomah |
| EcoTech | Donald J. Francis | (503) 493-1040 | Portland | Multnomah |
| Ecotech | Neal Correy | (503) 493-1040 | Portland | Multnomah |
| Thomas J. Consulting, LLC | James Price | (800) 891-8001 | Portland | Multnomah |
| Alpha Environmental Services, Inc. | Richard A. Cason | (503) 292-5346 | Beaverton | Washington |