DLZ is pleased to be ranked by Columbus Business First as the 5th Largest Central Ohio Engineering firm. The 2024 list ranks firms based on their 2023 consulting engineering billings from Central Ohio offices. We are proud to be part of the Central Ohio community. Our 150+ Columbus office employees work, live, and play in many communities we serve. Our success is attributed to our team’s dedication and commitment to provide solutions that save our clients money, improve operations, and solve problems.