--- title: About Us | J.F. Brennan Company | Brennan Marine Inc. description: For more than 100 years we have been a resource to our clients. Learn more about our marine construction, environmental remediation, and harbor management services. image: https://www.jfbrennan.com/hubfs/2023%20Brennan%20HQ%20Exterior%20GPTW%20%28web%29.jpg --- [MENU **](https://www.jfbrennan.com/about-us#mobile-nav) Submit [![J.F. Brennan Company, Inc.](https://www.jfbrennan.com/hubfs/images/j-f-brennan-company-logo-horizontal.png) ![J.F. Brennan Company, Inc.](https://www.jfbrennan.com/hubfs/images/j-f-brennan-company-logo-horizontal.png) ](https://www.jfbrennan.com/) [MENU **](https://www.jfbrennan.com/about-us#mobile-nav) - ![brennan, marine construction](https://www.jfbrennan.com/hubfs/About_Us/banner-about-us-1.jpg "brennan, marine construction") ## A Certified Great Place to Work - ![environmental services, environmental dredging, wetland restoration, habitat restoration](https://www.jfbrennan.com/hubfs/About_Us/banner-about-us-2.jpg "environmental services, environmental dredging, wetland restoration, habitat restoration") ## Our environmental work has gained national attention - ![railroad construction services, railroad contractors, bridge replacements, bridge repairs, railroad bridge repairs, derailment assists, derailment cleanups, brennan,](https://www.jfbrennan.com/hubfs/About_Us/banner-about-us-3.jpg "railroad construction services, railroad contractors, bridge replacements, bridge repairs, railroad bridge repairs, derailment assists, derailment cleanups, brennan,") ## We are not your typical construction company - ![barge transportation, towboats, barge services, harbor management, brennan boats, brennan marine](https://www.jfbrennan.com/hubfs/About_Us/banner-about-us-4.jpg "barge transportation, towboats, barge services, harbor management, brennan boats, brennan marine") ## We move millions of tons of commodities every year # About Brennan *Brennan is a family-owned [marine construction](https://www.jfbrennan.com/marine-construction) firm specializing in [environmental remediation](https://www.jfbrennan.com/environmental), [dam construction](https://www.jfbrennan.com/dam-construction), commercial [diving](https://www.jfbrennan.com/marine-construction/underwater-construction), [harbor management](https://www.jfbrennan.com/harbor-management), and [submarine cable services](https://www.jfbrennan.com/submarine-cable). Working closely with public and private owners of water-based infrastructure since 1919, we operate throughout the coastal and inland waterways nationwide.* *Our mission is to create and execute innovative solutions to the world's most complex maritime, environmental, and infrastructure challenges. * [![Safety Meeting-1](https://www.jfbrennan.com/hs-fs/hubfs/Safety%20Meeting-1.jpg?width=543&height=293&name=Safety%20Meeting-1.jpg)](https://www.jfbrennan.com/about-us/safety) ### Safety First 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 award-winning culture where the individual is empowered, we take safety very seriously, and our statistics prove it. [Learn More](https://www.jfbrennan.com/about-us/safety) [![Culture image 2024 orsted sunrise job](https://www.jfbrennan.com/hs-fs/hubfs/Culture%20image%202024%20orsted%20sunrise%20job.jpg?width=543&height=293&name=Culture%20image%202024%20orsted%20sunrise%20job.jpg)](https://www.jfbrennan.com/about-us/culture) ### 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](https://www.jfbrennan.com/about-us/culture) [![Munger landing rmediation tqm-1-1-1-1-1](https://www.jfbrennan.com/hs-fs/hubfs/Munger%20landing%20rmediation%20tqm-1-1-1-1-1.jpeg?width=543&height=302&name=Munger%20landing%20rmediation%20tqm-1-1-1-1-1.jpeg)](https://www.jfbrennan.com/total-quality-management) ### TOTAL QUALITY MANAGEMENT Brennan’s Total Quality Management (TQM) program focuses on delivering value through consistent performance, customer satisfaction, and continual improvement. Brennan is approved to perform safety-related work in accordance with ASME NQA-1 (2022), 10 CFR 50 Appendix B, and 10 CFR Part 21, and is certified to ISO 9001 (Quality Management), ISO 14001 (Environmental Management), and ISO 45001 (Occupational Health and Safety Management) standards. [Learn More](https://www.jfbrennan.com/total-quality-management) [![JFB - Cover Image - Brennan History](https://www.jfbrennan.com/hs-fs/hubfs/JFB%20-%20Cover%20Image%20-%20Brennan%20History.jpg?width=543&height=302&name=JFB%20-%20Cover%20Image%20-%20Brennan%20History.jpg)](https://www.jfbrennan.com/history-legacy-employees) ### Brennan's Story Brennan has been around since 1919, growing from two brothers who left a small farm in Iowa, to a cutting-edge marine construction and environmental firm. Our high-quality work, innovation, and transparent communication with clients have made us a preferred contractor for public and private owners of water-based infrastructure. Ours is a story worth learning! [Learn More](https://www.jfbrennan.com/history-legacy-employees) ![brennan-corporate-brochure.png](https://www.jfbrennan.com/hubfs/CTA_images/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](https://www.jfbrennan.com/hubfs/Brochures/2016_Brennan_Corporate_Brochure.pdf) ![j-f-brennan-company-logo-horizontal](https://www.jfbrennan.com/hs-fs/hubfs/images/j-f-brennan-company-logo-horizontal.png?width=1465&name=j-f-brennan-company-logo-horizontal.png "j-f-brennan-company-logo-horizontal") [Privacy Policy](https://www.jfbrennan.com/privacy-policy) #### Main Office Location: 818 Bainbridge Street La Crosse, WI 54603 Phone: 608/784-7173 Fax: 608/785-2090 Payroll Fax: 608/881-6519 [All Brennan Locations](https://www.jfbrennan.com/contact-us) #### [Careers](https://www.jfbrennan.com/careers) #### 24 Hour Dispatch: 24/7 Service Call 800-658-9027 #### Workplace Posters: [Federal](https://www.jfbrennan.com/hubfs/Jobsite%20Posters/Federal-Jobsite-Posters.pdf) [States A-M](https://www.jfbrennan.com/hubfs/Jobsite%20Posters/States-A-M.pdf) [States N-W](https://www.jfbrennan.com/hubfs/Jobsite%20Posters/States-N-W.pdf) #### Connect: [**](https://www.instagram.com/jfbrennancompany) [**](https://www.facebook.com/Brennan1919) [**](https://www.linkedin.com/company/j-f-brennan-company-inc) [**](https://www.youtube.com/channel/UCcGPPk74MFOXwW2rN4EwgUg)   ![GPTW Certification 20-21](https://www.jfbrennan.com/hs-fs/hubfs/GPTW%20Certification%2020-21.png?width=35&name=GPTW%20Certification%2020-21.png)   [**](https://www.facebook.com/Brennan1919) [**](https://www.linkedin.com/company/j-f-brennan-company-inc) [**](https://www.youtube.com/channel/UCcGPPk74MFOXwW2rN4EwgUg) Copyright © 2015 J.F. Brennan Co. Inc.