Engineering - design
AKS Engineering & Forestry Tualatin, OR
ALTO Forestry Consulting Salem, OR
Aquatic Contracting, LLC Portland, OR
Ash Creek Forest Management, LLC Tigard, OR
Bill Littlefield Shady Cove, OR
Bruce Young Logging Heppner, OR
Crow Engineering Inc. Beaverton, OR
Dan Phillips Forest Consulting Tillamook, OR
Dean O'Reilly Aumsville, OR
Double T Timber Management, Inc. Roseburg, OR