# 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](https://www.mcdermott.com/) - **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. - **Sources checked:** 2026-10-10 - **Profile:** [Michael McKelvy](https://voltformer.com/ceo/michael-mckelvy) [Official leadership and appointment record](https://www.mcdermott.com/company/our-team/michael-mckelvy) ## 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 - **Capacity / scope:** Al Nasr field development EPCI - **Country:** United Arab Emirates - **Description:** ADNOC awarded McDermott EPCI for the Nasr 115 expansion offshore Abu Dhabi. Its scope includes two topsides, a manifold tower, jacket, bridge, pipelines, cables and brownfield modifications. The field program targets 115,000 barrels daily by 2027; that is a target, not confirmed production. - **Technologies:** Subsea engineering and installation, EPCI - **Original source:** [https://www.mcdermott.com/press-release-detail/123064/mcdermott-awarded-epci-contract-al-nasr-field-development-project](https://www.mcdermott.com/press-release-detail/123064/mcdermott-awarded-epci-contract-al-nasr-field-development-project) ### ADNOC Umm Shaif - **Capacity / scope:** Umm Shaif pressure boosting EPCI - **Country:** United Arab Emirates - **Description:** ADNOC awarded McDermott Package 4 of Umm Shaif’s gas-cap and surface-pressure-boosting development in the UAE. McDermott and its QMW consortium will deliver EPCI for a jacket, topside and brownfield modifications; engineering is led in the UAE and fabrication occurs in Qingdao. - **Technologies:** Subsea engineering and installation, EPCI - **Original source:** [https://www.mcdermott.com/press-release-detail/123077/adnoc-awards-mcdermott-mega-offshore-epci-contract-advance-umm-shaif-field-development](https://www.mcdermott.com/press-release-detail/123077/adnoc-awards-mcdermott-mega-offshore-epci-contract-advance-umm-shaif-field-development) ### Eni Cronos - **Capacity / scope:** Cronos subsea contract offshore Cyprus - **Country:** Cyprus - **Description:** Eni Cyprus awarded McDermott a subsea contract for the Cronos gas field offshore Cyprus. McDermott will provide project management, engineering, procurement and installation support; the award marks its first subsea project with Eni and expands its Eastern Mediterranean work. - **Technologies:** Subsea engineering and installation - **Original source:** [https://www.mcdermott.com/press-release-detail/123078/mcdermott-awarded-subsea-contract-cronos-development-cyprus](https://www.mcdermott.com/press-release-detail/123078/mcdermott-awarded-subsea-contract-cronos-development-cyprus) ## 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 - [McDermott — Cronos subsea contract offshore Cyprus](https://voltformer.com/news/mcdermott-cronos-cyprus-subsea-2026) — 2026-09-08 · [Markdown](https://voltformer.com/news/mcdermott-cronos-cyprus-subsea-2026.md) - [McDermott — Umm Shaif pressure boosting EPCI](https://voltformer.com/news/mcdermott-umm-shaif-pressure-boosting-2026) — 2026-08-24 · [Markdown](https://voltformer.com/news/mcdermott-umm-shaif-pressure-boosting-2026.md) - [McDermott — Rovuma LNG limited engineering authorization](https://voltformer.com/news/mcdermott-rovuma-lng-letter-of-intent-2026) — 2026-08-06 · [Markdown](https://voltformer.com/news/mcdermott-rovuma-lng-letter-of-intent-2026.md) - [McDermott — Doosan power generation cooperation](https://voltformer.com/news/mcdermott-doosan-generation-cooperation-2026) — 2026-08-04 · [Markdown](https://voltformer.com/news/mcdermott-doosan-generation-cooperation-2026.md) - [McDermott — ULC-Energy cooperation for Rolls-Royce SMRs](https://voltformer.com/news/mcdermott-ulc-rolls-royce-smr-cooperation-2026) — 2026-07-29 · [Markdown](https://voltformer.com/news/mcdermott-ulc-rolls-royce-smr-cooperation-2026.md) - [McDermott — Aramco long-term project management agreement](https://voltformer.com/news/mcdermott-aramco-project-management-framework-2026) — 2026-06-03 · [Markdown](https://voltformer.com/news/mcdermott-aramco-project-management-framework-2026.md) - [McDermott — Al Nasr field development EPCI](https://voltformer.com/news/mcdermott-al-nasr-offshore-epci-2026) — 2026-01-22 · [Markdown](https://voltformer.com/news/mcdermott-al-nasr-offshore-epci-2026.md) ## Other languages - [en](https://voltformer.com/epc-contractors/mcdermott) - [tr](https://voltformer.com/tr/epc-contractors/mcdermott) - [de](https://voltformer.com/de/epc-contractors/mcdermott) - [ru](https://voltformer.com/ru/epc-contractors/mcdermott) - [es](https://voltformer.com/es/epc-contractors/mcdermott) - [ar](https://voltformer.com/ar/epc-contractors/mcdermott) - [it](https://voltformer.com/it/epc-contractors/mcdermott) - [pt](https://voltformer.com/pt/epc-contractors/mcdermott) [EPC contractors](https://voltformer.com/epc-contractors.md) · [Voltformer catalog](https://voltformer.com/catalog)