Oregon Contractor's Board
www.oregon.gov/CCB/

Washington Contractor's Board
www.lni.wa.gov/TradesLicensing/Contractors

Energy Trust of Oregon
http://www.energytrust.org/

Metro Multi-Family Housing Association
http://www.metromultifamily.com/

Community Association Institute
http://www.caioregon.org/

EPA Standards for Mold Remediation
http://www.epa.gov/mold/mold_remediation.html