Associate Member Profile

DLZ Corporation

A Source You Can Trust

With more than 100 years of experience, DLZ is a full-service architecture, engineering, surveying, and construction services firm serving public and private clients across the country. With more than 900 professionals in 30 offices, DLZ is ranked #143 on Engineering News-Record’s 2025 Top 500 Design Firms and #11 among Midwest design firms. Their multidisciplinary approach brings together a broad range of expertise to address complex infrastructure needs.

Throughout the Great Lakes region, DLZ applies this integrated expertise to water resources, navigation, transportation, industrial facilities, and other critical infrastructure. Their experience includes work with the U.S. Army Corps of Engineers supporting Great Lakes and inland rivers navigation, as well as projects involving locks and dams, shore protection, flood control, environmental and ecological services, and related water infrastructure.

DLZ also provides specialized hydrographic surveying of lakes, rivers, slips, and lagoons to support navigation, dredging, operations and maintenance, flood control, and shoreline projects. Using technologies including single- and multibeam echosounders, underwater scanners, sub-bottom profiling, and RTK GPS, their team provides underwater data to support planning, design, construction, and ongoing infrastructure management.