- IEAInternational Energy Agency
- IESIntegrated Energy Services. The IES division harnesses Petrofac’s existing service capabilities and delivers them on an integrated basis to resource holders with the aim of supporting the development of their oil and gas resources, enhancing production from their mature reservoirs and helping them to build national capability.
- IFRSInternational Financial Reporting Standards. The IFRS foundation is an independent, not-for-profit private sector organisation working in the public interest.
International oil company