Celadon Flats Condo Association

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.

Located in Chicago, Ill., Walsh Construction Company is a general contracting, construction management and design-build firm. The firm operates using Union Labor and Union Subcontractors. Incorporated in 1949, it has experience with a wide variety of building, civil and transportation sectors. The firm undertakes construction projects/services for commercial buildings, bridges, airports, highways, pump stations, entertainment centers, federal buildings and many others. Walsh Construction Company is a part of The Walsh Group family of companies. The firm is one of the top 20 contractors in United States according to Engineering News-Record.