Overview Since 1996, Cornerstone Architects has played a major role in defining the face of Chicago industry. With recognition, we have maintained a solid core of industrial architectural responsibilities including distribution, manufacturing and storage. Over the years, we have established a design expertise in office, technology, land planning, retail, and sports facilities. Less commonly known strengths include our success with single- and multi-family residential. With our vast experience and breadth of services, Cornerstone has emerged as an architectural leader in the Chicagoland community.