J.F. Brennan Company

J.F. Brennan Company Brennan is a family-owned marine construction and environmental remediation firm operating throughout North America since 1919. Why Brennan?

Working closely with public and private owners of water-based infrastructure since 1919, we operate throughout coastal and inland waterways nationwide, maintaining a large fleet of marine and amphibious equipment

Everything we do takes place around the water. As a result, we have the right people, specialized equipment, and proper programs in place to mitigate associated risks. Over the past 100

years, our high-quality work and transparent communication with clients have made us a preferred contractor for the US EPA, US Army Corps of Engineers, and private infrastructure owners across the country. Safety, quality, and environmental stewardship are long-standing principles within our organization. For the benefit of our employees, clients, and communities, we operate our business to comply with international standards and regulatory requirements. Appropriately, we are certified to ISO 9001: 2015 Quality Management System, ISO 14001: 2015 Environmental Management System, and ISO 45001: 2018 Occupational Health and Safety Management System. Please note:
All J.F. Brennan Company works are protected by copyright.

Most people will never see the inside of a hydroelectric draft tube. Our team spent months prepping and working inside o...
06/12/2026

Most people will never see the inside of a hydroelectric draft tube. Our team spent months prepping and working inside one, 14 miles downstream of Wenatchee, WA.

Check out the story behind this incredible rehabilitation project and the people who made it happen.

๐‚๐จ๐ง๐œ๐ซ๐ž๐ญ๐ž ๐‘๐ž๐ก๐š๐›๐ข๐ฅ๐ข๐ญ๐š๐ญ๐ข๐จ๐ง ๐š๐ญ ๐‘๐จ๐œ๐ค ๐ˆ๐ฌ๐ฅ๐š๐ง๐ ๐‡๐ฒ๐๐ซ๐จ๐ž๐ฅ๐ž๐œ๐ญ๐ซ๐ข๐œ ๐๐ซ๐จ๐ฃ๐ž๐œ๐ญ: ๐Ÿ๐ŸŽ๐ŸŽ ๐…๐ž๐ž๐ญ ๐ƒ๐จ๐ฐ๐ง ๐š ๐ƒ๐ซ๐š๐Ÿ๐ญ ๐“๐ฎ๐›๐ž โฌ‡

https://www.jfbrennan.com/blog/hydroelectric-draft-tube-concrete-rehabilitation

Inside Brennanโ€™s complex draft tube concrete rehabilitation work at Rock Island Hydroelectric Project, performed 100 feet below the surface.

Gear up and get ready for the new Brennan Maritime & Construction Center at the Boys & Girls Clubs of Greater La Crosse....
06/11/2026

Gear up and get ready for the new Brennan Maritime & Construction Center at the Boys & Girls Clubs of Greater La Crosse.

As part of the new Life & Workforce Readiness Center, we're excited to see all the interested and talented youngsters who will pass through these halls!

https://www.facebook.com/share/p/18wduabi79/

The future of our industry is shaped by people who care deeply about it ๐ŸŽ‰So, please, help us congratulate ๐๐ซ๐ž๐ญ๐ญ ๐ƒ๐ฏ๐จ๐ซ๐š๐œ๐ก๐ž...
06/09/2026

The future of our industry is shaped by people who care deeply about it ๐ŸŽ‰So, please, help us congratulate ๐๐ซ๐ž๐ญ๐ญ ๐ƒ๐ฏ๐จ๐ซ๐š๐œ๐ก๐ž๐ค on being named a 40 Under 40 honoree.

Brett's leadership, professionalism, and commitment to serving our partners exemplify the qualities that move the marine industry forward.

He has earned the respect of teammates and clients through his hard work, collaboration, and dedication to the people and projects he supports.

Brett, thank you for everything you do for Brennan and the people we serve. We are fortunate to have you on the team.

06/05/2026

The equipment gets attention. Our ๐ฉ๐ž๐จ๐ฉ๐ฅ๐ž make the difference. Complex projects require technical expertise, careful planning, and specialized capabilities. They also require ๐ญ๐ซ๐ฎ๐ฌ๐ญ. Trust that communication will be clear. Trust that challenges will be addressed honestly. Trust that everyone is working toward the same goal.

We believe trust is earned through collaboration, transparency, and a commitment to making our clients' lives easier every step of the way.

๐ŸŒณ A few dozen future trees found new homes with Brennan employees! Thanks to Living Lands and Waters' Million Trees Proj...
06/02/2026

๐ŸŒณ A few dozen future trees found new homes with Brennan employees! Thanks to Living Lands and Waters' Million Trees Project, team members were able to take home free saplings to plant and help support the long-term health of our environment. From Red Oaks and Bur Oaks to Swamp White Oaks and Pecans, these trees will continue growing for decades to come.

Thank you to our Brennan Gives Back Committee and Living Lands & Waters for helping turn a simple idea into something that will benefit communities and waterways for generations.

When it comes to dam safety, what happens behind the scenes matters most. ๐Ÿ›   ๐๐š๐ญ๐ข๐จ๐ง๐š๐ฅ ๐ƒ๐š๐ฆ ๐’๐š๐Ÿ๐ž๐ญ๐ฒ ๐€๐ฐ๐š๐ซ๐ž๐ง๐ž๐ฌ๐ฌ ๐ƒ๐š๐ฒ on May 31...
05/29/2026

When it comes to dam safety, what happens behind the scenes matters most. ๐Ÿ›  ๐๐š๐ญ๐ข๐จ๐ง๐š๐ฅ ๐ƒ๐š๐ฆ ๐’๐š๐Ÿ๐ž๐ญ๐ฒ ๐€๐ฐ๐š๐ซ๐ž๐ง๐ž๐ฌ๐ฌ ๐ƒ๐š๐ฒ on May 31st marks the anniversary of the 1889 Johnstown Flood, a pivotal moment that brought national attention to the importance of proper dam oversight and maintenance.

At Brennan, we know these structures demand ongoing care, technical expertise, and thoughtful rehabilitation to continue serving communities safely. Itโ€™s work we take seriously because strong waterway infrastructure helps protect what matters most.

For more on Dam Safety Awareness Day, check out ASDSO's site: https://damsafety.org/NDSAD


05/28/2026

Turns out, when you put 10 feet of LED screen to work, Brennan projects look pretty good! ๐Ÿ˜Ž Our new 20-foot booth is LIVE at the Inland Marine Expo in Nashville, featuring nonstop footage of the amazing crews, equipment, and inland waterway work that keep us moving.

If youโ€™re at the show, come find us at Booth #616. Fair warning, you might end up staying longer than planned.

Complex work. Calm ex*****on. The most challenging projects rarely come with simple solutions. Thatโ€™s why we rely on som...
05/27/2026

Complex work. Calm ex*****on.
The most challenging projects rarely come with simple solutions. Thatโ€™s why we rely on something bigger than equipment alone: ๐ญ๐ซ๐ฎ๐ฌ๐ญ๐ž๐ ๐ฉ๐ž๐จ๐ฉ๐ฅ๐ž, ๐œ๐ฅ๐ž๐š๐ซ ๐œ๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐œ๐š๐ญ๐ข๐จ๐ง, ๐š๐ง๐ ๐ญ๐ก๐ž ๐š๐›๐ข๐ฅ๐ข๐ญ๐ฒ ๐ญ๐จ ๐š๐๐š๐ฉ๐ญ ๐ฐ๐ก๐ž๐ง ๐œ๐จ๐ง๐๐ข๐ญ๐ข๐จ๐ง๐ฌ ๐œ๐ก๐š๐ง๐ ๐ž. Itโ€™s how Brennan approaches complex work, with steady ex*****on, and a commitment to getting it done right.

Cool heads. Strong teams. That's Brennan ๐Ÿ’ช

05/25/2026

Behind every Memorial Day gathering, parade, and flag is the story of someone who gave their life in service to our country.

We honor those individuals with gratitude and remembrance, and we recognize the families and loved ones who carry that sacrifice with them every day.

From the Brennan team, we wish you a safe and meaningful Memorial Day.

๐ŸŒŠ Most people see the river. Maritime professionals see responsibility, opportunity, and a way of life.  On National Mar...
05/22/2026

๐ŸŒŠ Most people see the river. Maritime professionals see responsibility, opportunity, and a way of life. On National Maritime Day, weโ€™re honoring crews and professionals who work the waterways in all conditions to support infrastructure, transportation, industry, and local communities. Their work is demanding, often unseen, and incredibly important.

In a recent News 8 interview, Mark Binsfeld reflected on how deeply the Mississippi River has shaped our hometown's history and economy, something our team experiences firsthand every day.

Weโ€™re proud to continue that legacy alongside the hardworking people who keep Americaโ€™s waterways operating safely and moving forward. ๐Ÿ’™



Video and full story from News 8 Now / News 8000 โฌ‡
https://www.news8000.com/news/america-250/mississippi-river-shaped-la-crosses-history-and-continues-driving-economy/article_d23e3984-4c5f-48b8-ba54-d992dd0ab11f.html

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818 Bainbridge Street
La Crosse, WI
54603

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