North America

Clough’s North America team provides full-service EPC capability for projects in the LNG, refining, petrochemical, chemical, and midstream industries. Our self-performed, construct-only services are what set us apart in the Downstream sector. Clough manages the construction process from beginning to end and provides schedule optimization and cost efficiencies with a single point-of-contact approach to each client. We also provide multidisciplined engineering, integrated EPCM-EPC solutions and operational readiness and commissioning to energy clients in North America.

Through CH·IV, Clough specialises in the provision of LNG engineering and consulting services to the global LNG sector.


CH·IV provides consulting services to LNG asset developers, regulators, facility owners, operators and lenders to ensure assets are designed, developed, constructed and operated safely and in accordance with codes, regulations, and the project’s technical and commercial specifications. To find out more visit