J.F. Brennan Company, Inc. (Brennan) is a marine-based construction and environmental solutions company that specializes in p ... roviding quality services in and around the inland waterways of the United States. Our knowledgeable professionals and large fleet of well-maintained, specialty equipment enable us to complete challenging projects safely and successfully. It is our goal to bring innovation and transparency to each and every project in which we participate to maximize value to all stakeholders. read more