Here are some great links.

Industry-related Links

NLBMDA - www.dealer.org
ProSales Magazine - www.prosalesonline.com
Temperate Forest Foundation - www.forestinfo.org
NAWLA - www.lumber.org
National Assn of Home Builders - www.nahb.com

Government-related Links

US Dept. of Labor - www.dol.gov
US Dept. of Transportation - www.dot.gov
OSHA - www.osha.gov
HUD - www.hud.gov
US Forest Service - www.fs.fed.us
US Green Building Council/LEED - www.usgbc.org
US Senate - www.senate.gov
US House of Representatives - www.house.gov