Quasius Construction, Inc., a Sheboygan-based construction services company, recently broke ground on an addition at Millennium Technologies in Plymouth. The 19,245 square foot warehouse addition includes two new docks and a parcel shipping bay. Millennium Technologies has been in business for 25 years and provides repair and maintenance services for cylinders and cylinder heads for a variety of engines. Quasius will complete the addition by January 2023.