J.F. Brennan Company, Inc. is a marine construction and environmental remediation company that provides high-quality services to engineering, utility, railroad, paper mill, government, municipality, and harbor entities located throughout the inland waterways of the United States. Services include dredging, diving, dam repairs, pile driving, railroad bridge repairs, in-situ capping and more. We are an organization comprised of some of the nation’s most talented marine professionals and pride ourselves on our commitment to safety, quality, and the environment. Founded on the principles of hard work and innovation, Brennan has provided nearly 100 years of construction excellence.

Brennan Marine Inc.

Brennan Marine Inc. is an inland port management company that provides high-quality switching, fleeting, project barge transportation, and vessel repair services. Located in several ports between St. Genevieve, MO (UMR 138) and La Crosse, WI (UMR 697), Brennan can respond to several geographical locations along the inland waterways. As a sister company to J.F. Brennan Company since 1984, Brennan Marine has implemented the same commitment to safety, quality, and the environment.