Central Illinois Builders - http://www.cibagc.org/ Economic Development Council of the Bloomington-Normal Area - http://www.bnbiz.org/ McLean County Chamber of Commerce - http://mcleancochamber.org/ Champaign County Chamber of Commerce - http://www.ccchamber.org/ The U.S. Green Building Council - http://www.usgbc.org/ TEAM - Champaign County Trade Union - http://www.teamclmc.org/ Illinois Society of Professional Engineers- http://www.illinoisengineer.com