Your trusted resource along the Great Lakes and inland waterways.
At J.F. Brennan Company (Brennan), we provide quality above- and below-water marine construction services to partners on the Great Lakes, inland, and intercoastal waterways.
Since 1919, we’ve worked closely with public and private owners of water-based infrastructure, engineers, and all stakeholders, to deliver innovative solutions to their biggest challenges.
Brennan constructs and maintains ship terminals, repairs and builds docks, executes large-scale rock work, and supports mining and energy operations on the Great Lakes. With a strong and long track record of successful projects for the US Army Corps of Engineers, we ensure the highest quality and safety standards. Our experienced team is dedicated to delivering top-notch results, helping you thrive in the dynamic Great Lakes region.
Our Marine Construction Specialties:
- Energy & Industrial Services
- Inland Waterway Infrastructure
- Ship and Barge Terminals
- Harbor Services
- Public Waterfront and Marinas
- Environmental Dredging, Capping & Restoration
- Dive Construction & Inspections
What are people saying?
“Brennan is an excellent company to work with. Their experience, knowledge and communication skills as a contractor made working with them both enjoyable and valuable to our projects. They planned and performed above expectations, and I look forward to working with them in the future.”
– Tony Wendland, Xcel Energy, Inc.
“Brennan just GETS it. They understand inland terminal operations and how downtime for a project or emergency repair can significantly impact the owner’s business. It is not often you find a contractor, like Brennan, that can combine this understanding with their own set of skills, knowledge and expertise. They truly want to do what is best for the customer.”
– Alexander Beck, Consolidated Terminals and Logistics Company
“Working with Brennan has been a positive experience from start to finish. Their staff have been honest and transparent on the office side, providing useful insight and value engineering. Field staff have worked conscientiously to complete work of the highest quality while keeping an eye to the schedule. It’s great to work with a contractor you can trust to have the client’s best interest in mind with or without oversight.”
– George Meister, GEI Consultants, Inc.
