Trade associations, nonprofits, industry certifications

(Check Conferences for additional listings)

​ ​
​​Name​ ​Class​
​Asphalt Pavement Association of Oregon  ​See certification information​
Eart​h Advantage ​See classes
​International Code Council, Central Oregon chapter See classes​
International Society of Arboriculture ​​​See certifications​
​Klamath Basin Home Builders Association ​See classes​
​National Association of the Remodeling Industry (NARI) ​See certifications​
​North American Technician Excellence (NATE) 
(Certification program for HVAC and refrigeration technicians)
See certification information​
​Oregon Air Conditioning Contractors Association  ​See classes​
​Oregon Association of Water Utilities See classes
​Oregon Concrete & Aggregate Producers Association ​See classes​
​Oregon Home Builders Association​ See classes​
​Painting & Decorating Contractors of America, Portland chapter

See classes​
​Tree Care Industry Association  ​See certifications