Donohue & Associates

Established in 1961, Graef is one of the leading, employee-owned consulting firms in the United States. The company specializes in structural, civil and transportation engineering solutions. It serves clients in the health care, educational, hospitality, manufacturing and retail industries, as well as government organizations. The company offers a variety of residential design solutions. Graef undertakes projects for industrial units, bridges, and sports and recreational facilities. The company offers environmental, plumbing and contracting services. It conducts inspections and handles replacement and reconstruction projects. The company s project portfolio includes McCleary Bridge and Wausau Highway. Graef has offices in Wisconsin, Illinois, Arizona and Florida.

Superior Engineering is a consulting engineering firm that specializes in process/system design for the petroleum, chemical, petrochemical, steel manufacturing and processing, institutional, utilities and pharmaceutical industries. Providing instrumentation, mechanical, civil, structural and electrical engineering, the scope of its work ranges from concept consulting and project management to full design/build capabilities. Located in Hammond, Ind., S/E has provided design engineering and consulting to such major institutions as Amoco Oil Company, Mobil Oil, U.S. Steel, BASF, Purdue University, the United States Department of Defense, General Mills and Ford Motor Company. Founded in 1962, Superior Engineering employs more than 100 engineering, design, drafting and project management professionals.

Klein and Hoffman has been offering structural and restoration engineering services for more than 50 years. The company specializes in the design of facades, window systems, structural framework, balconies and plaza decks. It has expertise in the repair, rehabilitation and restoration of building facades and roofs. Klein and Hoffman works with various homeowners, developers, building and facility managers and other design professionals. The company also renovates and restores various historical structures. It helps to eliminate safety hazards, correct structural deficiencies and develop solutions for chronic air and water infiltration problems. Klein and Hoffman provides various curtain wall and window systems of aluminum, glass, steel, wood and stone.