Tree line transport
randy olson
MobileOBDMotor Home
Clean Truck Check Testers in Oregon
26 CARB-credentialed testers across 12 cities.
Cities with credentialed testers
Testers in Oregon
Quality Service and Repair
Robert Anderson
OBDMotor Home
Harmer Steel Products
Ryan Larsen
Stephen Ewald
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Steve Bennett
Mobile
Socal Mobile Maintenance
Yoshio Ishikawa
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
All cities & towns in Oregon
- Portland
- Salem
- Eagle Point
- Clackamas
- Eugene
- Malin
- Medford
- Newberg
- Redmond
- Turner
- Veneta
- White City
- Albany
- Arlington
- Astoria
- Baker City
- Boardman
- Brookings
- Burns
- Coos Bay
- Corvallis
- Dallas
- Enterprise
- Fossil
- Grants Pass
- Hermiston
- Hillsboro
- Hood River
- John Day
- La Grande
- Lake Oswego
- Lakeview
- Madras
- Newport
- Ontario
- Prineville
- Roseburg
- St. Helens
- The Dalles
- Tillamook
- Wasco
Trucking activity in Oregon
FMCSA MCMIS reports 17,800 active motor carriers registered with operations in Oregon. The Clean Truck Check program reaches the heavy-duty subset that operates in California, which is why this directory exists.
Interstate carriers
12,700
Intrastate carriers
5,100
Hazmat carriers
1,080
Passenger carriers
400
Heavy-duty power units
57,400
Medium-duty power units
11,200
Source: FMCSA MCMIS Registration Statistics. Snapshot 2024-10-01. Last fetched 2026-05-18.