OREGON STATE UNIVERSITY

Portland Tree Service

Horizontal Tab Test

Company Contacts

Name
Position/Title
Phone
Aaron Krieger
Arborist-Owner
360-635-1076 (work)
971-404-7624 (cell)

Company Information

Portland,
OR
County: 
South Central
Southwest
West Central
Northwest
North Central
Washington (state)
Phone: 
503-896-6750

Certifications

Sustainable Forestry Initiative (SFI) 
0
Forest Stewardship Council (FSC) 
0
American Tree Farm System (ATFS) 
0
Oregon Tilth (Certifying Organization) 
0
USDA Organic 
0