Simpson Strong-Tie, www.strongtie.com / Activant Solutions, www.activant.com / Andersen Windows Inc., www.andersenwindows.com / Arch Wood Protection Inc., www.wolmanizedwood.com / BlueLinx Corp., www.bluelinxco.com / BlueTarp Inc., www.bluetarp.com / Boise Engineered Wood Products, www.bc.com/wood/ewp / Bostik Inc., www.bostik.com / CertainTeed, www.certainteed.com / Chemical Specialties, Inc., www.treatedwood.com / Combilift Ltd., www.combilift.com / Do it Best, www.doitbestcorp.com / Dow Chemical Co., www.dow.com / ENAP Inc., www.enap.com / Federated Insurance, www.federatedinsurance.com / Georgia-Pacific Corp., www.gp.com / Guardian Building Products, www.guardianbp.com / Huber Engineered Woods LLC, www.huber wood.com / Indiana Lumbermens Mutual Insurance Co., www.ilmgroup.com / International Truck and Engine, www.internationaldelivers.com /Jeld-Wen Inc., www.jeld-wen.com / Lumbermens Merchandising Corp., www.lmc.net / Moffett By Cargotec, www.cargotec.com / Orgill, Inc., www.orgill.com / Osmose Inc., www.osmose.com / Owens Corning, www.owenscorning.com / Pennsylvania Lumbermens Mutual Insurance Co., www.palumbermens.com / PrimeSource Building Products, www.primesourcebp.com / Princeton Delivery Systems, www.piggy-back.com / Silver Line Windows, www.silverlinewindow.com / Superseal Window and Door Co. Inc., www.supersealwindows.com / Tembec Industries Inc., www.tembec.ca / TimberTech Ltd., www.timbertech.com / USG Corp., www.usg.com / Weyerhaeuser Co., www.weyerhaeuser.com