What We Do


We are built for the future of the energy industry.

We are a premier, fully-integrated provider of engineering and construction solutions to the energy industry. Our customers trust our technology-driven approach to design and build infrastructure solutions to responsibly transport and transform oil and gas into the products the world needs today. From concept to commissioning, our expertise and comprehensive solutions deliver certainty, innovation and added value to energy projects around the world.


Upstream Oil and Gas

We are a leading provider of fully integrated engineering, procurement, construction and installation (EPCI) services for offshore field developments worldwide. We offer a full range of services, including delivery of fixed, floating and subsea production facilities, pipelines and storage systems, from concept to commissioning. Our offerings include:

  • Offshore oil and gas production systems, including jackets, topsides, floating production, storage and offloading vessels
  • Subsea production systems
  • Onshore oil and gas field production
  • Onshore and offshore pipelines
  • Natural gas processing
Liquefied Natural Gas

We are a leader in the concept development, design, fabrication, construction, commissioning, start-up, and initial operation of LNG facilities. We’re one of the few contractors that can perform the entire scope of work for an LNG project, allowing us to execute and deliver successfully, safely and on time. We offer a comprehensive range of EPC services for the LNG industry, including:

  • Liquefaction plants
  • Regasification terminals
  • Peak shaving facilities
  • LNG storage
  • FLNG topsides
Refining and Petrochemicals

Some of the most well-known names in the industry trust us to design and build their downstream oil and gas processing facilities. We are one of the few contractors in the world that can provide the entire scope of services, from technology, through our strategic agreement with Lummus Technology, through our front-end engineering and design, engineering, procurement, fabrication, construction, project management and commissioning services, which include:

  • Refinery process units
  • Petrochemical facilities
  • Hydrogen and synthesis gas plants
  • Sulfur processing plants
Licensing Technology
Lummus Technology is our preferred technology provider with access to a comprehensive, best-in-class technology portfolio of 130-plus technologies and 3,400-plus patents, patent applications and trademarks. Lummus is a leading licensor of proprietary petrochemicals, refining, gasification and gas processing technologies, as well as a supplier of catalysts, proprietary equipment and related technical services.
Sustainable Solutions

 We are actively developing sustainable solutions that support the energy transition, including:

Industrial Storage

McDermott’s storage business, CB&I Storage Solutions, is the world's leading designer and builder of storage facilities, tanks and terminals. With more than 59,000 structures completed throughout their 130-year history, CB&I has the global expertise and strategically-located operations to provide customers world-class storage solutions for even the most complex energy infrastructure projects.

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