Dependable, Resolute, Reliance, Durable, Global sentinel, Decisive and Responder are manned by American maritime officers, most of the ships are manned SIU for crew, the rest (3) of the ships are manned by Filipino crews. The cable engineers are mostly american or Spanish. Home cable depot is in Baltimore Maryland, where the home office is located. They have one Cable ship teneo which may still be manned by Spanish crew entirely. so yes they do hire Americans, tyco is the only company that Americans do lay cable with.