Welcome to the EI’s Company member directory, our who’s who in energy
You can easily search for Company members, Technical Company members, Technical Partners and Knowledge Partners using the A-Z index, the search box, or the filters on the left. To update your entry, simply fill in the directory form and send it to companies@energyinst.org. Interested in joining? Find out more and apply on the Company membership page.

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Results: 1 - 5 of 5
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HSE
For organisations operating in the energy sector who collaborate with the EI to raise their profile, stay informed, help their staff to develop professionally and access EI support
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Hollister Inc
For organisations operating in the energy sector who collaborate with the EI to raise their profile, stay informed, help their staff to develop professionally and access EI support
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Hayleys Energy Services Lanka (Pvt) Ltd
For organisations operating in the energy sector who collaborate with the EI to raise their profile, stay informed, help their staff to develop professionally and access EI support
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For organisations interested in collaborating and contributing to the EI’s technical work programme, with full access to technical committees and content
Harbour Energy has been formed through an all-share merger between Chrysaor and Premier Oil. Our aim is to deliver value in a responsible manner for all stakeholders. We are the largest UK listed independent oil & gas company.
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For organisations operating in the energy sector who collaborate with the EI to raise their profile, stay informed, help their staff to develop professionally and access EI support
Region of operation: UK
Hydraulic Analysis are the acknowledged worldwide leading engineering consultancy for undertaking pipeline dynamic simulation and surge analysis studies. As an independent consultancy, we are able to offer our clients unbiased advice on all aspects of the hydraulic design and equipment selection. With over 40 years of experience and over 8,000 studies completed, we are trusted by the world’s major water, oil, gas, nuclear and petrochemical companies to conduct detailed dynamic flow studies. We have an extensive portfolio of validation cases to demonstrate the proven accuracy of our software, including many real-time liquid and gas systems