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Company member directory

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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For organisations interested in collaborating and contributing to the EI’s technical work programme, with full access to technical committees and content
For organisations interested in interacting closely with the EI’s technical work programme and technical committees in specified areas of work or interest
For organisations interested in collaborating and contributing to the EI’s technical work programme, with full access to technical committees and content
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
For organisations interested in collaborating and contributing to the EI’s technical work programme, with full access to technical committees and content
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
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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Region of operation: UK

The Defence Infrastructure Organisation (DIO) plays a vital role in supporting our armed forces by building, maintaining and servicing the infrastructure needed to support defence.

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