McDermott - EPC company profile

McDermott: Explore engineering capabilities, representative projects and official company contacts.

McDermott — Integrated onshore, offshore and subsea energy infrastructure delivery

McDermott is a Houston-headquartered energy engineering and construction company founded in 1923. It delivers onshore processing and LNG facilities, offshore structures, subsea systems, fabrication and marine installation from concept through commissioning. Its model combines engineering centers, fabrication yards, construction operations and specialist vessels, including consortium and joint venture delivery. The selected references document awarded offshore EPCI packages and subsea support. Letters of intent, consultancy frameworks and reactor cooperation agreements are distinguished from final EPC construction contracts.
  • Legal name: McDermott International, Ltd
  • Headquarters: Houston, Texas, United States
  • Founded: 1923
  • Official website: McDermott
  • URL: https://voltformer.com/epc-contractors/mcdermott
  • Markdown: https://voltformer.com/epc-contractors/mcdermott.md
  • JSON: https://voltformer.com/epc-contractors/mcdermott.json

CEO and leadership profile

Michael McKelvy

Chief Executive Officer and Chair of the Board

Michael McKelvy leads McDermott as CEO and board chair. Previously president and CEO of Gilbane Building Company, he also spent a substantial part of his engineering and construction career at CH2M Hill.

Official leadership and appointment record

How to select an EPC contractor

EPC means engineering, procurement and construction. Compare contractors by project technology, country, voltage level and contractual delivery scope.

Directory methodology

This directory presents company profiles, not a scored ranking or certification. Company-wide experience may include engineering, EPCM, equipment supply and consortium roles. Confirm the exact role, current qualifications and project references with the official company before shortlisting.

What should an EPC enquiry include?

Specify the project country, capacity, grid voltage, single-line diagram, site conditions, scope boundaries, target schedule and acceptance tests. Clarify who owns permitting, civil works, grid studies, commissioning and performance guarantees.

Equipment enquiries submitted here go to Voltformer. Contact the listed company directly for its EPC services.

Engineering specializations

  • Offshore platforms and subsea EPCI
  • LNG and onshore process facilities
  • Fabrication and marine installation
  • FEED and energy project management

Declared capabilities

  • Basic and detailed engineering: Listed capability; confirm project-specific scope
  • Procurement and supply: Listed capability; confirm project-specific scope
  • Civil and structural construction: Listed capability; confirm project-specific scope
  • Testing and commissioning: Listed capability; confirm project-specific scope
  • High-voltage substation EPC: Not listed
  • Transmission lines: Not listed
  • Turnkey power plant EPC: Not listed
  • Grid interconnection: Not listed

Representative projects

ADNOC Nasr 115

ADNOC Umm Shaif

Eni Cronos

Technical services

  • Integrated EPC and construction: Engineering, procurement and construction through company operations, subsidiaries or consortium delivery with defined project responsibilities.
  • Offshore and subsea EPCI: Subsea engineering, equipment and pipe systems, fabrication and offshore installation within supply or integrated EPCI contracts.
  • FEED and detailed engineering: Concept selection, process and equipment definition, detailed engineering and coordination of technical interfaces before construction.
  • Testing and commissioning: Construction completion, equipment testing, controls verification and startup support coordinated with the owner and technology suppliers.

Standards and certifications

Official contacts

  • Address: Houston, Texas, United States

Reference statistics

  • Founded: 1923
  • Headquarters: Houston
  • Delivery roles: Onshore EPC, offshore EPCI and FEED

Company and energy news

Other languages

EPC contractors · Voltformer catalog

CEO and leadership profile

Michael McKelvy

Chief Executive Officer and Chair of the Board

Michael McKelvy leads McDermott as CEO and board chair. Previously president and CEO of Gilbane Building Company, he also spent a substantial part of his engineering and construction career at CH2M Hill.

Sources checked

Official profile and sources

Company news

How to select an EPC contractor

EPC means engineering, procurement and construction. Compare contractors by project technology, country, voltage level and contractual delivery scope.

Directory methodology

This directory presents company profiles, not a scored ranking or certification. Company-wide experience may include engineering, EPCM, equipment supply and consortium roles. Confirm the exact role, current qualifications and project references with the official company before shortlisting.

What should an EPC enquiry include?

Specify the project country, capacity, grid voltage, single-line diagram, site conditions, scope boundaries, target schedule and acceptance tests. Clarify who owns permitting, civil works, grid studies, commissioning and performance guarantees.

Equipment enquiries submitted here go to Voltformer. Contact the listed company directly for its EPC services.

Company information is translated from the same reference record; official names and technical ratings are preserved.