The International Bridge Conference ® (IBC) is the pre-eminent arena for the bridge industry in North America, Europe and Asia. Sponsored by the Engineers' Society of Western Pennsylvania, the IBC annually attracts over 1,600 bridge owners and engineers, senior policy makers, government officials, bridge designers, construction executives, and suppliers from throughout the United States and abroad. Now in it's 26th year as an annual conference, in 2008 participants came from 47 States and 18 countries.
http://www.eswp.com/bridge/index.htm#OV