Engineering News-Record (ENR) Midwest ranked DLZ the 8th largest design firm in the Midwest, up 1 spot from #9 in 2016. One of the industry’s leading professional publications, ENR Midwest ranks firms based on design services revenue from the previous year. As a family- and minority-owned firm, DLZ is pleased to be one of the top design firms. In 2016, DLZ was named Design Firm of the Year by ENR Midwest.