EDSI | 5,660 followers on LinkedIn. Committed to helping great companies train and retain great people! | Founded in 1979 and headquartered in Dearborn, Michigan, EDSI (Educational Data Systems, Inc.) is a national workforce development, customized training and consulting company intertwined with one common thread: helping people and companies in transition. EDSI has grown to a network that employs more than 800 people across the country. The company was named to the Inc. 5000 list of the fastest-growing private companies in America, is a National Best and Brightest award winner and a National Best and Brightest Sustainable award winner.