J.F. Brennan Company, Inc
J.F. Brennan Company, Inc. (Brennan) is a fourth-generation, family-owned, marine construction firm that specializes in environmental remediation, dam construction, commercial dive, harbor management, and submarine cable services. Working with public and private owners of water-based infrastructure since 1919, Brennan operates throughout coastal and inland waterways nationwide, maintaining a large fleet of marine equipment backed by more than 600 maritime professionals.