Leading the future

Lochner is a trusted infrastructure services provider for aviation, surface transportation and water clients across the United States.

We are problem solvers and collaborators who are on a mission – committed to improving life in the built and natural world.

About Us

Who We Serve

Markets

Aviation

From airside to landside, our aviation professionals partner with commercial and general aviation airports to upgrade infrastructure, increase capacity, and make the journey safer and more reliable. 

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Bridges & Structures

Our bridge and structure experience spans an array of services and markets, from designing bridges, culverts, and other structures to designing drainage and water facilities that seamlessly integrate with the environment. 

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Highways & Roads

A pioneer in surface transportation, Lochner specializes in the planning, design and delivery of complete streets, highways, complex interchanges and toll roads that support the safe and efficient movement of people and goods.  

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Transit & Rail

Whether modernizing existing infrastructure or planning for future development, we work to connect communities and give travelers and commuters the service they need.

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Water & Wastewater

We provide a comprehensive range of water and wastewater engineering services, including all phases of facility and buried infrastructure projects. Through it all, our focus is on operability, dependability, and sustainability.

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A FULL-Service PARTNER

Our Services

Our cross-disciplinary service offering spans planning, environmental, design, and construction engineering and inspection, to comprehensive program and construction management.

What We Do

Inside Lochner

The Latest on Lochner

Special announcements, press coverage, and more from around the company.

News

UNPARALLELED BREADTH OF KNOWLEDGE

See the companies that make up the Lochner family — and our comprehensive service offering.

Family of Companies

A PARTNER WITH NATIONAL REACH

With offices coast to coast, we’re ready to partner wherever you are.

Locations

SEE OUR WORK

Our projects are answering tough challenges for our clients — and improving life in our communities.

Projects

By The Numbers

#98

2025 ENR Top 500 Design Firms

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1200+

Employees across 22 states

Our Locations

80+

Years in business

Our History

Careers

Lochner Cares

Our commitment to healthy, thriving communities goes beyond the project. Our people are active in charitable causes and volunteer activities, because giving back is who we are.

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Recent News

Around Lochner

Lochner’s Mike Persyn Featured in Underground Infrastructure

Recently, Lochner’s Water/Wastewater Practice Lead, Mike Persyn, PE, was featured in the August 2025 issue of Underground Infrastructure magazine. His autho […]

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Lochner Leads the Way: Navigating Funding Opportunities for Wildlife Crossings and Beyond

Vehicle-wildlife collisions continue to present safety and environmental challenges, particularly in Kentucky where busy roadways intersect critical habitats. R […]

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City of Kyle Breaks Ground on Kohlers to Seton and Bebee Road (West) Projects

The City of Kyle has broken ground on two key transportation projects—the Kohlers to Seton Project and the Bebee Road […]

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Celebrating National Aviation Week

This National Aviation Week, we celebrate the expertise and dedication of our aviation professionals, the clients we serve, and the […]

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