Maritime Directory

Marinette, Wisconsin, United States

Manitowoc Marine Group is comprised of four shipyards – Marinette Marine, Bay Shipbuilding, Toledo Ship Repair and Cleveland Ship Repair. The Marine Group is a division of The Manitowoc Company. Although there have been a couple of name changes, The Manitowoc Company, which was founded as a shipbuilding company, has been in continuous operation since 1902. In addition to building hundreds of surface vessels, Manitowoc also built twenty-nine diesel submarines for the U. S. Navy.

North Kingstown,, Rhode Island, United States

Vibtech Inc. specializes in design of vessels and ship's systems to military and commercial specifications.