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

#103

2024 ENR Top 500 Design Firms

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1000+

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

Derek Schwanke Joins Lochner as North Texas Water Practice Manager

We’re pleased to welcome Derek Schwanke, PE as North Texas Water Practice Manager, marking the expansion of our water practice […]

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Michael O'Connor Accepted to ACEC North Carolina Future Leaders Program

We are thrilled to announce that Michael O’Connor, PE, DBIA, Senior Bridge Engineer and Project Manager, has been selected to […]

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Advancing Together: Highlights from Lochner’s Annual Leadership Summit

Last week, leaders from Lochner and our family of companies came together in Chicago, Illinois for our annual Lochner Leads […]

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I-80 Will Project Achieves Key Milestones

Lochner, in partnership with Bowman Consulting, is providing Construction Corridor Management Services for the Illinois Department of Transportation’s (IDOT) […]

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