J.F. Brennan

About J.F. Brennan

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. Our services include dredging, diving, dam repairs, pile driving, railroad bridge repairs, in-situ capping, and more. We employ some of the nation’s most talented marine professionals, and we 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.


Construction Project Manager Intern

May 2020 Rushville, IL
“The construction job it's self was awesome. The experience I have learned from working on a major rehab of a lock is enormous.”

Project Manager Engineer Intern

May 2019 - August 2019 Green Bay, WI
“I really liked working on the water and having everyday be different. One day I could be cruising the river in the morning do get data from a dredge to survey a barge.”
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