Company Overview. Continental Tide Defense Systems, Inc. (Continental Tide) is an industry leader, providing engineering and industrial services to the U. S. Navy, U.S. Coast Guard, Military Sealift Command, and other DoD organizations. At Continental Tide, we understand that a great company culture is one where employees know their voice is heard, no matter what their title is, and letting them grow in their role as the company does. We want to ...