J.F. Brennan

Highly Engaged Employees

J.F. Brennan, founded in 1919, is a distinguished contractor specializing in marine construction and related services. With over a century of operation, the company offers expertise in areas such as concrete repair, dam remediation, pier construction, and habitat restoration. Their comprehensive service portfolio also includes environmental response and railroad construction, addressing critical infrastructure needs. Based in La Crosse, Wisconsin, J.F. Brennan is recognized for executing complex projects in challenging aquatic settings, providing essential services for water-based infrastructure development and maintenance.

The company demonstrates substantial operational scale, reporting $396.6M in revenue and employing between 500 - 1,000 individuals across its 11 locations. J.F. Brennan operates within a competitive sector, facing rivals like Manson Construction, Sevenson Environmental Services, and Orion Marine Group. This market positioning underscores their capability in specialized marine and heavy civil construction. Their services are vital for the upkeep and advancement of waterways, ports, and coastal infrastructure, solidifying their importance in the broader construction industry.

In 2020, J.F. Brennan secured $350K in debt financing. The company's dedication to its personnel is notable, and insights into their team are available. For detailed financial performance data, interested parties can Explore financial highlights. J.F. Brennan's enduring legacy and specialized capabilities make it a significant contributor to marine infrastructure, consistently undertaking projects that require precision, expertise, and a deep understanding of aquatic environments. Meet J.F. Brennan's team to learn more about the professionals driving their success.