Jans Corporation is one of the largest commercial construction companies in South Dakota. Its services include steel erection, concrete, consulting, design/build services, property maintenance, construction management, development and financing and project management. Typically, the services Jans Corporation provides from its own forces are concrete, steel erection and carpentry. The company s projects include apartments/hotels, churches, educational facilities, health care facilities, restaurants and retail buildings. Jans Corporation was established in 1973 as Nioda Builders. In 1984, the company changed its name to Jans Corporation. The company maintains headquarters in Sioux Falls, S.D.