The Duchossois Group


Chamberlain Group Headquarters

Oak Brook, Illinois

223,000 SF | 20,700 SM

Architecture, Interior Architecture, Landscape Architecture

Sustainable Programs
LEED for New Construction & Major Renovations (NC) (LEED-NC)-Certified

“I spent the last few hours accepting the thanks and gratitude of my employees for giving them a beautiful place to work, a place filled with light, space, amenities, and technology. That thanks belongs to SmithGroupJJR, your team made this building come true.”

—Richard B. Duchossois, Chairman, The Duchossois Group


The Duchossois Group (TDG) was eager to create a new corporate headquarters for its leading brand, the Chamberlain Group Incorporated (CGI)—the world’s largest manufacturer of residential and commercial door operators, gate openers and access control products. This new central campus consolidates multiple facilities and brings together the talent of its employees under one roof. TDG selected a 20-acre site in suburban Chicago that would support the CGI’s strategic relocation and growth plans. The company’s goal was to create an efficient and dynamic space that promotes a collaborative work environment, inspires its employees and potential recruits, and impresses its customers.

The new 223,000-square-foot headquarters creates a striking presence, an elegant arc of a building oriented to maximize views and daylighting. The building mass bends in response to the path of the sun. The building shape and envelope, which includes an integrated passive sun shading system with high performance glass, work together to optimize solar orientation and thermal performance. Interior and exterior seem to blend, thanks to flexible work modules that afford ample daylighting and allow generous views of mature oaks and woodlands. This highly flexible facility is designed for innovation and inspiration, with state-of-the-art engineering and testing laboratories; conference and training centers for customized employee and vendor education; a product showroom; a 200-seat café; a fitness center; and trails and other outdoor amenities. 

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Duchossois family plans Oak Brook office development
The deal paves the way for a new building or buildings with at least 200,000 square feet on the land between the Interstate 88 and 294 tollways.