Subsea 7 is a prominent energy company specializing in engineering and construction services for the offshore oil and gas industry. It offers a comprehensive range of services that include subsea umbilicals, risers, and flowlines, as well as fabrication, installation, maintenance, and heavy lifting. In addition to its core operations in traditional subsea field development, Subsea 7 has expanded its focus to renewable energy services, particularly in the offshore wind sector, where it leverages its expertise and equipment from oil and gas projects. This strategic diversification reflects the company's commitment to adapting to the evolving energy landscape while maintaining its position as a leading service provider in the offshore market.
Siem Offshore Contractors is a well-known installer of subsea inter-array cables and provides repair and maintenance services to the global offshore renewable energy market. It employs approximately 100 people. The vessels, Siem Aimery and Siem Moxie, are owned by Siem Offshore Rederi AS.
Seaway Heavy Lifting Holding
Acquisition in 2017
Seaway Heavy Lifting Holding provides design, engineering, transportation, and execution management of offshore installation and removal projects.
Swagelining
Acquisition in 2016
Swagelining Ltd. specializes in the design and installation of polymer lining systems specifically for strategic pipeline and riser systems. The company focuses on providing internal corrosion protection for high-pressure subsea steel pipes that transport corrosive or erosive products. By implementing advanced polymer linings, Swagelining aims to enhance the durability and efficiency of pipeline infrastructure, addressing the challenges posed by harsh operating environments.
Paragon Litwin
Acquisition in 2001
Paragon Litwin operates as an engineering company.
ETPM
Acquisition in 1999
ETPM provides energy and telecommunications infrastructure services.
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