McDermott Inc. is a global engineering and construction company serving the energy and chemical industries. Headquartered in Houston, it delivers engineering, procurement, construction, and installation (EPCI) services across the project lifecycle—from concept and front-end engineering design (FEED) through detailed engineering, procurement, fabrication, construction, and commissioning.
The company’s work spans onshore process facilities and offshore infrastructure, with a strong focus on refining, petrochemicals, polymers, gas processing, and LNG. McDermott executes large, integrated complexes and unit operations such as ethylene, polyethylene, hydrogen, syngas, sulfur recovery, and associated utilities and offsites, often integrating licensed technologies from third parties. Its global network of engineering centers and fabrication yards supports both stick-built and modularized execution for clients including national and international energy companies and chemical producers.