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

    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.

    Learn More
  • 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.

    Learn More
  • 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.

    Learn More
  • 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.

    Learn More
  • 5/5

    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.

    Learn More

Featured Projects

View All
SUM-HOWE Avenue Right-of-Way Acquisition Project Image

SUM-HOWE Avenue Right-of-Way Acquisition

Cuyahoga Falls, Ohio
ALCOSAN Construction Management Services for Contract 1704 Safety Upgrades Project Image

ALCOSAN Construction Management Services for Contract 1704 Safety Upgrades

Pittsburgh, Pennsylvania
USPS Vehicle Maintenance Facility Project Image

USPS Vehicle Maintenance Facility

Detroit, Michigan
I-64 Sherman-Minton Bridge over Ohio River, Bridge Rehabilitation Project Image

I-64 Sherman-Minton Bridge over Ohio River, Bridge Rehabilitation

Multistate, Kentucky
OSIS Augmentation and Relief Sewer Project Image

OSIS Augmentation and Relief Sewer

Columbus, Ohio
Fire Station No.3, City of Portage Project Image

Fire Station No.3, City of Portage

Portage, Indiana
Material Testing for 10th Street Sinkhole in Pittsburgh Project Image

Material Testing for 10th Street Sinkhole in Pittsburgh

Pittsburgh, Pennsylvania
Van Etten Lake PFAS Foam Removal, Michigan Project Image

Van Etten Lake PFAS Foam Removal, Michigan

Oscoda, Michigan
NICTD Double Track Northwest, Environmental Due Diligence Project Image

NICTD Double Track Northwest, Environmental Due Diligence

Lake County, Indiana

Recent DLZ News

View All

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…

Continue Reading

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…

Continue Reading

DLZ Adds Another FERC Certification

  The Federal Energy Regulatory Commission (FERC) regulates both the construction and operation of most hydroelectric dams in the United States. In March Tim Hampshire, Director of Water Resources and Dam Safety at DLZ was approved and accepted as a Potential Failure Mode Analysis (PFMA) Moderator for FERC dam safety workshops, and in May moderated…

Continue Reading

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.

Learn More

Latest Awards

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

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

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

  • Top Midwest Design Firms #11 Engineering News-Record Midwest, 2021

  • City of Columbus GreenSpotLight Award, 2021

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.

Learn More About Sustainability

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