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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.

RS&H is a national architecture, engineering, and consulting firm based in Chicago, IL. The company champions employee ownership, offering a unique opportunity for all staff members to share in the success together. RS&H is driven by a vision of creating a connected future where everyone can thrive, providing exceptional services guided by care and a shared purpose. As an RS&H employee owner, individuals have the autonomy to shape their career path within a supportive and collaborative team environment. The company encourages professionals at all career stages to join their team, fostering a culture of continuous learning and growth towards a brighter tomorrow. Generated from the website content

HNTB Corporation is a national transportation infrastructure firm. It offers extensive design, engineering and planning services to federal, state and local public and private clients. The company specializes in water services, aviation, rail, construction, planning, tollbooths, highways and bridges and tunnels. HNTB delivers transportation capabilities that provide local solutions, and employs trusted advisers and renowned experts that work together to uncover what is important to each client s success. HNTB Corporation is a part of the HNTB Companies, which commits technical expertise, broad experience and extensive resources that are critical to creating successful public infrastructure. Other HNTB Companies include HNTB Architecture and HNTB Federal Services Corporation. HNTB Corporation has offices in Chicago.