Discover what's possible!
We tackle complex projects, work hard, provide solutions and celebrate. We're risk-takers, fast learners, and experts in our fields. Together, we're redefining our industry.
J.F. Brennan Company, Inc. (Brennan) is a fourth-generation, family-owned marine construction firm specializing in environmental remediation, dam construction, commercial diving, harbor management, and submarine cable services.
Working closely with public and private owners of water-based infrastructure since 1919, Brennan operates nationwide throughout coastal and inland waterways.
We want to hear from you, so feel free to contact us with any questions or comments.
We have more than 100 ADCI-certified commercial divers on staff throughout the US that specialize in underwater construction.
Check out Brennan news, our “Between the Trees” Blog, company videos, downloadable assets, and more.
We share our insight on hot topics, highlight our specialized projects, and even share some of the secrets to our success.
Are you a small business looking for more opportunities and strong partnerships? We want to hear from you!
Want to learn more about Brennan? You have access to downloadable brochures and resources.
Brennan may be a century old, but we are just getting started. Learn about our journey and the legacy employees who got us here!
We tackle complex projects, work hard, provide solutions and celebrate. We're risk-takers, fast learners, and experts in our fields. Together, we're redefining our industry.
818 Bainbridge Street
La Crosse, WI 54603
Phone: 608/784-7173
Fax: 608/785-2090
Payroll Fax: 608/881-6519
24/7 Service
Call 800-658-9027
Copyright © 2015 J.F. Brennan Co. Inc.