MasTec Heavy Industries Co., Ltd. (often referred to as Mastek Heavy Industries) is a South Korean company based in Busan, established in 2001. It specializes in ship design and production, including ship material packages and engineering services. Located strategically in Yeongdo-gu, a hub for shipbuilding, the company has contributed to projects like detailed designs for heavy cargo vessels and floating offshore wind turbines. MasTec serves as an exporter and service provider with expertise in marine and offshore engineering solutions