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.

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    Architecture

    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

    Transportation

    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

    Water

    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

    Construction

    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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  • 5/5

    Survey

    We provide precision surveying services for a variety of industries and clients. Our professional land surveyors are licensed in numerous states throughout the country. With more than 50 full-time field crews, the depth of our resources and diverse experience provides flexibility for our clients. We’re able to offer the professional surveying services you need, when you need them. We also provide Land and Right-of-Way Acquisition surveying services, including ALTA/ASCM land title, boundary, topographic, and easement surveys.

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Featured Projects

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SR 161 at Maple Canyon Avenue Project Image

SR 161 at Maple Canyon Avenue

Columbus, Ohio
Jason Hargrove Transit Center Project Image

Jason Hargrove Transit Center

Detroit, Michigan
Cooperativo PV Plant, Costa Rica Project Image

Cooperativo PV Plant, Costa Rica

San Carlos, Costa Rica
Kilbourne Run Sports Park Project Image

Kilbourne Run Sports Park

Columbus, Ohio
City of Noblesville Bridge of Flowers Project Image

City of Noblesville Bridge of Flowers

Noblesville, Indiana
ALCOSAN Construction Management Services for Contract 1704 Safety Upgrades Project Image

ALCOSAN Construction Management Services for Contract 1704 Safety Upgrades

Pittsburgh, Pennsylvania
Big Walnut Trail for City of Columbus, Department of Recreation and Park Project Image

Big Walnut Trail for City of Columbus, Department of Recreation and Park

Columbus, Ohio
Conference Center Gannon Building, Lansing Community College Project Image

Conference Center Gannon Building, Lansing Community College

Lansing, Michigan
Ottawa County Family Justice Center Project Image

Ottawa County Family Justice Center

West Olive, Michigan

Recent DLZ News

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DLZ Ranked on Zweig Group’s 2025 Hot Firms List

DLZ is excited to announce that we’ve been named by Zweig Group as a 2025 Hot Firm, ranking at #15! Zweig Group is the leading research, publishing, and advisory services resource for leading firms in the Architecture, Engineering, and Construction industry. This list honors the 100 fastest-growing AEC firms in the United States and Canada….

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DLZ Among Local Businesses Supporting the Columbus Promise Funding Campaign

DLZ is honored to join a diverse array of public and private organizations in support of a significant $25 million fundraising campaign for the next phase of the Columbus Promise—a commendable initiative providing tuition-free college education. Launched in November 2021, the Columbus Promise aims to empower graduates of Columbus City Schools to pursue higher education…

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DLZ Among Central Ohio’s Fastest Growing Firms

DLZ is happy to announce that we were selected as a 2024 Fast 50 honoree by Columbus Business First. The highly anticipated Fast 50 Awards honor the remarkable success and growth of the top companies in Columbus. DLZ was one of 50 others named on Business First’s Fast 50 Awards roll call. We are honored…

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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.

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Latest Awards

  • Top 500 Design Firms #143 Engineering News-Record, 2024

  • Midwest Top Design Firms #11 Engineering News-Record Midwest, 2024

  • Building Design+Construction’s Giants 400 Report #67 Top Architecture/Engineering Firm, 2024

  • Largest Central Ohio Minority-Owned Business #2 Columbus Business First, 2024

  • Engineering News-Record Midwest, Best Government/Public Building Project, Franklin County Corrections Center, 2024

  • Engineering News-Record Midwest, Best Airport/Transit Project, Jason Hargrove Transit Center, 2024

More about DLZ

Sustainability

It’s part of our culture. We introduce sustainable practices on all design projects, and our LEED-Accredited Professionals are fully engaged in building a sustainable future.

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Community

Our communities lie at the heart of all we do. DLZ believes strongly in giving back to the communities in which we work and live. It’s part of who we are. In fact, our staff graciously contributes their time and talent to a variety of organizations that make an impact on the lives of others.

Read About Our Community

Safety

Safety is the foremost aspect of our work and one of our Core Values. Our employees understand that safety is not an individual choice, but a lifelong value that impacts every project we touch.

Discover What Makes Us Safe