Professional Organizations

• American Association of State Highway and Transportation Officials http://www.transportation.org
• American Institute of Architects  http://www.aia.org/
• American Public Works Association http://www.apwa.net/
• American Society of Civil Engineers http://www.asce.org/
• American Water Works Association http://www.awwa.org/
• Association of State Dam Safety Officials http://www.damsafety.org/
• Ductile Iron Pipe Research Association http://www.dipra.org
• Institute of Transportation Engineers http://www.ite.org
• New England Water Works Association http//www.newwa.org
• Society for Marketing Professional Services  http://www.smps.org
• Society of Wetland Scientists http://www.sws.org/
• U.S. Green Building Council http://www.usgbc.org/
• Women's Transportation Seminar http://www.wtsinternational.org/