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    About Brennan

    Brennan is a Construction, Environmental Services, and Harbor Management company focused on providing quality services to both public and private owners of civil infrastructure. Our focus on safety and quality is unmatched in our industries, and our ability to innovate has enabled us to exceed expectations and routinely deliver greater value to our clients.

    For more than 100 years Brennan has worked closely with clients and engineering firms through high levels of integrity and professionalism. Our approach results in an extraordinary amount of transparency throughout our projects and operations and leads to a collaborative environment for all stakeholders. At Brennan, we understand that success is not only measured by the outcome but also through the process by which the outcome is achieved.

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    We are proud of the culture we have created. We function as a winning team in which each individual is provided the tools and support he or she needs to succeed. We have defined this culture as the “Brennan Way” and have detailed each core value so that it is understood and embraced in everything that we do.

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    At Brennan, Safety comes first, no exceptions. Our World-class safety program is one of the most innovative and successful programs in the construction industry. From our safety-based observation program to our culture where the individual is empowered, we take safety very seriously and our statistics prove this.

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    Our Story

    Brennan has been around for nearly 100 years. From two brothers who left a small farm in Iowa, to a cutting edge construction, environmental, and transportation firm. Ours is a story worth learning!

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    Download our Corporate Brochure

    At Brennan, we believe we truly have a special culture in which the safety and well-being of our people is our primary focus. Developed and refined over the course of nearly 100 years, it is what makes Brennan a great place to work.  For more information on J.F. Brennan Company and Brennan Marine, download our Corporate Brochure here!

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