TRC software formerly Imbsen & Associates is a leader in bridge engineering computer technology and has gained recognition with its WinSEISAB project. The computer program WinSEISAB is used to analyze the response of a bridge subjected to earthquake excitation. TRC markets several software programs and presents national training seminars and workshops. TRC is committed to the development of software that keeps up with advancements in bridge engineering and computer technology. We are not a recent software startup company but have been developing/selling our software since the early 80's. With over 25 years in this field of software development we plan to continue to serve our customers for many more years to come.