American Wood-Preservers' Association - www.awpa.com

California Redwood Association - www.calredwood.org

Canadian Fence Industry Association - www.cfia.ca

Davison's Blue Book - www.fencebluebook.com

ICC Evaluation Service, Inc. - www.icc-es.org

Extreme How To - www.extremehowto.com

Find-A-Fence - www.findafence.com

Forest Products' Society - www.forestprod.org

Intermountain-Roundwood-Association - www.intermountainroundwood.org

JCL Online - www.jlconline.com

National Frame Builders Association Inc. - www.nfba.org

North American Wholesale Lumber Association - www.lumber.org

Real Cedar - www.wrcla.org

Southern Cypress Manufacturers Association - www.cypressinfo.org

Southern Forest Products Association - www.sfpa.org

Southern Pressure Treaters' Association - www.spta.org

The American Institute of Timber Construction - www.aitc-glulam.org

The Engineered Wood Association - www.apawood.org

The International Builders' Show - www.buildersshow.com

Timber Products Inspection, Inc. - www.tpinspection.com