Elengy was established on December 31, 2008.
The company has two subsidiaries:  

• Elengy Hub & Expertise, a wholly owned subsidiary of Elengy, manages the transhipment business, which is not regulated.
• Fosmax LNG - a subsidiary in which Elengy holds more than 70% of the shares, alongside Total, which holds an interest via its subsidiary TGEHF (Total Gaz Electricité Holding France) - owns the Fos Cavaou LNG terminal.

To steer these companies and define the strategic orientations enabling them to build tomorrow, the company has a Board of Directors for governance matters.

Elengy's Board of Directors has various duties:

• It examine and considers the strategic, economic, financial and technological direction taken by the company, while overseeing the implementation of its public service duties.
• It monitors the budget and Elengy's financing and investment policy.

It consists of three committees which prepare the Board's work and decisions on those areas for which they are competent: the Investment Committee, the Audit and Finance Committee, and the Compensation Committee.

The Board of Directors has 12 members:

• Mr. Jacques Blein, permanent representative of Sperans, director
• Ms Nathalie Bussy, director representing the employees
• Ms. Raphaëlle Castillon, permanent representative of Sopranor, director
• Ms Laurence Delaire, permanent representative of Clerival, director
• Mr. Jean-Claude Depail, director
• Mr. Frederic Germain, director representing the employees
• Mr. Marc Haestier, director and chairman of the board of directors
• Mr. Jean-François Lechat, permanent representative of GRTgaz Développement
• Mr. Philippe Lepage, director representing the employees
• Mr. Daniel Thébert, permanent representative of SIG
• Mr. Patrick Pelle, director
• Mr. Jean Syrota, director