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44 service profiles
Construction Company businesses and related repair services are available around La Crosse, WI.
5.0Rating
4Reviews
0Photos
12Services
About this business
J.F. Brennan Company is a marine construction business serving multiple regions with over 100 years of experience. J.F. Brennan Company specializes in environmental remediation, dam construction, submarine cable installation, harbor management, and commercial diving services. Core offerings include environmental dredging, hydraulic and mechanical dredging, habitat restoration, marine construction such as dock structures and deep foundations, underwater inspections using divers and ROVs, bridge and railroad construction, and marine support services like barge cleaning and vessel repairs. J.F. Brennan Company also provides specialized services such as habitat restoration, isolation barriers, mobile water treatment, and maritime security barrier systems. J.F. Brennan Company operates multiple offices across the U.S. and emphasizes safety and quality management in all projects.
Construction Company
Services
Services and categories listed for this business.
Construction Company
Environmental Dewatering Services
Environmental Dredging
Hydraulic Dredging
Mechanical Dredging
Amphibious Dredging
Diver-Assisted Micro Dredging
Habitat Restoration
Submarine Cable Services
Dock Structures & Barge Terminals
Underwater Inspections & Survey
Bridge Construction
Location
Address and directions for this business.
Questions & answers
Helpful answers
Quick answers from this business profile.
What types of dredging services does J.F. Brennan Company offer? +
J.F. Brennan Company offers environmental, hydraulic, mechanical, amphibious, and diver-assisted micro dredging services.
Does J.F. Brennan Company provide underwater inspection services? +
J.F. Brennan Company provides underwater inspections and surveys using divers, acoustic imaging, hydrographic surveys, side scan sonar, and remotely operated vehicles (ROVs).
What marine construction services are available from J.F. Brennan Company? +
J.F. Brennan Company Services include dock structures, barge terminals, deep foundations, bridge construction, piers and abutments, scour and erosion protection systems, and cofferdams.
Does J.F. Brennan Company handle environmental remediation? +
J.F. Brennan Company Yes, environmental services include habitat restoration, isolation barriers, mobile water treatment, sand covers and capping, broadcast capping systems, and wetland remediation.
Where is J.F. Brennan Company located and do they have multiple offices? +
J.F. Brennan Company operates multiple offices across the United States, including locations in Burlington, Duluth, Boston, Illinois, Michigan, Northern California, Pacific Northwest, Southern California, and others.
Reviews
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4 reviews
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Darwin Gammell
Oct 22, 2025
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5.0
Excellent people work here
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Mikel Perry
Jul 4, 2023
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5.0
Your Eastern team with Mike Turner and Mike McCloy were professional informative and respectful when they were here at the East Providence Yacht Club to remove the rail road bridge wanted to give a big thank you for everything- Mikel Perry
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Donald Myers
Mar 13, 2021
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5.0
Couldn't get there to deliver by friday so they had a young man come in saturday morning to unload us. Very nice very professional great folks
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samrath raj
Mar 8, 2022
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5.0
Wonderful Experience. They are very professional. Thank you so much for the great service.
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