In 1956, three new departments were created, in electrical engineering, mechanical engineering, and business management. The latter was created out of the realization, as Tatung began undertaking steel production, of the importance of good management to its success in that field.
民國卅二年，大同公司創辦人林尚志（林挺生之父），有感於發展工業需先培育人才，於是成立大同工職；四十五年，升格為大同工專，因當時大同公司從事製鋼工業，也重視培養管理人才，於是成立電機工程、機械工程、事業經營三科；五十二年，又改制為大同工學院，將原來的三科改為三系。