Donjon Marine was founded in 1964 and operates dredging, salvage operations, towing and emergency response. The company operates more than 70 specialized vessels, over 1,000 linear feet of berth space and an estimated daily spoils processing capacity of 4,500 cubic yards in the New York and New Jersey Harbors. DonJon Marine employs more than 270 employees across the United States.

Donjon Marine’s shipyard in Erie, Pennsylvania, features one of only two dry docks on the Great Lakes capable of dry docking 1,000-foot Great Lakes self-unloading vessels. The shipyard is located on 44 acres and has more than 200,000 ft² of production area including fully enclosed fabrication and assembly buildings, as well as 4,000 feet of pier space.

The company will continue to operate under the Donjon Marine brand. John A. Witte, Jr. will remain CEO, alongside Thomas and Paul Witte, as part of the executive team. In addition, Denver-based Thoroughbred LLC, led by co-founders and managing partners Charles Wesley and Aaron Bowlds, will serve as industrial partner.

Terms of the transaction were not disclosed.

Image courtesy of Donjon Marine