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



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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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.



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

Family of Companies


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



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


By The Numbers


2024 ENR Top 500 Design Firms

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Employees across 22 states

Our Locations


Years in business

Our History


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

Mark F. Herber Joins Lochner as Senior Project Manager

Please join us in welcoming Mark F. Herber, PE to the Lochner team. As Senior Project Manager for Lochner, Mark […]

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Jonnie Thomas and Phil Washington Honored at COMTO Colorado’s 20th Anniversary Celebration

Pictured left to right: Phil Washington, Rico Nelson, Jonnie Thomas Last week, the COMTO Colorado Chapter celebrated a significant milestone […]

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Taiwo Jaiyeoba Joins Lochner as Transit Planning Director

We are excited to announce that Taiwo “Tai” Jaiyeoba has joined Lochner as the National Transit Planning Director. Tai brings […]

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Austin Messerli Graduates the City of Georgetown Leadership Program

Congratulations to KFA’s Senior Engineer Austin Messerli for his recent graduation from the City of Georgetown Leadership Program. Hosted by […]

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