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 over 95 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.

    brennan culture, best culture, corporate cultures, best corporate cultures

    Culture

    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.

    Learn More
    safety management, construction safety, corporate safety, best corporate safety programs

    Safety

    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.

    Learn More
    brennan history, history of brennan, history of J.F. Brennan Company, history of brennan marine

    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!

    Learn More
    brennan-corporate-brochure.png

    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!

    Click to Download