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Welcome to Cornerstone, a new $750 million, 641-acre mixed-use development in Northwest suburban Grayslake, Illinois, a near suburb of Chicago. The mixed-use development will include approximately 3,000,000 SF of light industrial, research-and-development and office space. The park will create 9,000 high-quality jobs close to where people live, at the heart of Chicago’s transportation infrastructure.

Richard M. Gatto
Executive Vice President, Alter