With over 900 people in 30 offices, DLZ is one of the top consulting firms in the environmental, architectural, engineering, and surveying industry. The firm is ranked #143 by Engineering-News Record (ENR) on its Top 500 Design Firms in the United States and the 11th largest in the Midwest. DLZ professionals work together as a team to safely deliver a wide range of project sizes and types across the country.

DLZ’s engineers, geologists, environmental scientists, architects, planners, and technical support staff are innovative and understand that every project is different. We have the experience and expertise to realize that each client’s needs and wants are unique. We approach each project with this in mind and stand behind the work that we do.

We have been providing environmental consulting services to our clients for nearly four decades. Our teams include engineers, geologists, environmental scientists, planners, and technicians with the expertise and training to provide cost-effective, workable solutions to problems. Ranging from property acquisition due diligence to contaminant investigation and mitigation, we have successfully completed a wide range of environmental projects throughout the Midwest for federal, state, county, municipal, and private clients.