American Concrete Institute (ACI), http://www.aci-int.org

American Institute of Steel Construction (AISC), http://www.aisc.org

American Iron and Steel Institute (AISI), http://www.steel.org

American Society of Civil Engineers (ASCE), http://www.asce.org

American Society of Testing & Materials, http://www.astm.org

Building Officials Association of Florida - BOAF, http://boaf.net

Florida Building Code Online, http://www.floridabuilding.org/

Metal Building Manufacturers Association, http://www.mbma.com/

National Society of Professional Engineers (NSPE), http://www.nspe.org

Structural Engineering Institute, http://www.seinstitute.org

Tilt-up Concrete Association, http://www.tilt-up.org/