Welcome to DLZ! We take a multidisciplinary, collaborative approach to professional services. This allows us to build and lead successful project teams dedicated to providing solutions that save money, improve operations, and solve problems.

Our vision is simple: Create successful partnerships with our clients that facilitate trust, commitment, and communication.

  • 1/5


    We are dedicated to creating responsive, memorable architecture. Exceptional design is the result of strong leadership and teamwork. Furthermore, DLZ’s design process includes the use of the latest design software and a focus on sustainable design principles.

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  • 2/5


    We keep communities moving. We design complex interchanges, restore historic bridges, and develop traffic solutions. In addition, our team creates trails, educates the public on roundabouts, and advances transit systems.

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  • 3/5


    We have been assisting clients in solving their public works projects for nearly a century. As a leading design and consulting firm, DLZ is skilled in all water/wastewater services.

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  • 4/5


    A leader in design and construction of public infrastructure, our construction services division provides construction management, construction observation, scheduling, claims analysis, document control, risk analysis, value engineering, field quality control, and laboratory testing for the construction and rehabilitation of transportation and utility projects.

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    We’re here

    We understand. These are unprecedented times. While DLZ’s response to the COVID-19 outbreak is evolving and changing daily, we want you to know that we’re here when you need us. Please understand, DLZ remains fully operational and also adjusts to remote work arrangements and social distancing practices on job sites.

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Recent DLZ News

Hampshire Elected to ODSO Managing Board

Tim Hampshire, P.E., Director of Water Resources and Dam Safety at DLZ, has recently been elected by his peers in the water resources community to serve on the Managing Board of the Ohio Dam Safety Organization (ODSO).  The mission of ODSO is to promote dam safety in Ohio by establishing a partnership between dam owners,…

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Scott Frank Receives 2022 HR Impact Award

DLZ is excited to announce that Scott Frank, DLZ’s Director of Human Resources, was selected by Columbus Business First as a 2022 HR Impact Award recipient. Scott is one of 18 Central Ohio human resources professionals recognized for their leadership through unprecedented changes in the workplace. As Director of Human Resources, Scott is a strategic…

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DLZ Ranks in Building Design + Construction’s Giants 400 Report

DLZ is pleased to be ranked as one of the nation’s largest firms by Building, Design + Construction (BD+C). DLZ ranked #39 on the Top Engineering/Architecture Firms list and #85 on the Top University Sector Engineering Firms reports (based on 2021 revenue). BD+C’s annual Giants 400 report ranks architecture, engineering, and construction (AEC) firms by…

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The DLZ Difference

A Multidisciplinary Service Approach to Meet Your Goals

Our ownership structure offers us the flexibility to autonomously make efficient and swift business decisions. Our project managers and client-facing teams have a thorough grasp on the needs and requirements of the communities that we serve. This not only serves as a competitive advantage to DLZ and ensures we are readily available to meet to rising needs of our clients.

Latest Awards

  • Top 500 Design Firms #141 Engineering News-Record, 2022

  • Midwest Top Design Firms #14 Engineering News-Record Midwest, 2022

  • Building Design+Construction’s Giants 400 Report #39 Top  Engineering/Architecture Firms, 2022

  • Largest Central Ohio Minority-Owned Business #2 Columbus Business First, 2022

  • Top 100 Green Design Firms #100 Engineering News-Record, 2022

  • Top 200 Environmental Firms #171 Engineering News-Record, 2022

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