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

SR 3016 Over Two Lick Creek Project Awarded 2023 Outstanding Highway Engineering Award from ASHE Mid Allegheny

Lochner’s Pittsburgh Team received the 2023 Outstanding Highway Engineering Award in the $2.5M or less category from ASHE Mid-Allegheny for […]

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Danielle Smith Elected as Treasurer for Women Transportation Seminar Foundation Board of Directors

We are proud to announce that Danielle Smith, PE, Front Range Regional Manager, has been elected as 2024-2026 Treasurer for […]

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Lochner Attends Chicago Transit Authority’s Diversity Programs Quarterly Outreach Event

Lochner’s Chicago team attended the Diversity Programs Quarterly Outreach Event hosted by the Chicago Transit Authority (CTA) in Chicago, IL. […]

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Doug Wright Joins Lochner as Oklahoma Market Lead

We’re thrilled to announce that Doug Wright, PE, has joined Lochner as Oklahoma Market Lead. Doug brings extensive experience in […]

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