Tonn and Blank Construction, founded in 1922 and a division of Alverno Construction Corporation, offers building and construction management services to industrial, commercial, and institutional clients throughout the United States. The company offers a variety of services, including general contracting, architectural design, engineering, budgeting and project handling. The additional services offered by the company include concrete, masonry, and structural steel roofing, drywall and acoustical installation, and heavy equipment rigging. It also provides rough and finish carpentry, and heating, ventilation, and air-conditioning solutions to customers. Tonn and Blank Construction is headquartered in Michigan City, Ind.