All EXA INTERNATIONAL projects are completed according to the best technical standards and norms as well as the local national standards and norms varying from one country to the next.

The certification of oil and gas are completed according to SEC / NYSE norms.

The certifications of mineral resources are completed to the best international norms: SAMREC, JORC and SAMVAL.

A number of our experts are chartered as Competent Persons.

Christian Mégrelis, Chairman

As an engineer, Christian Mégrelis has been active in French Defense Industry and in the banking sector before launching EXA INTERNATIONAL in the 70’s.
He mastered the international development of the firm and its adaptation to the evolution of the world economy.
His essay on the future of world economy “Keys for the Future” published in the 80’s in USA foresaw the global trends that are still at work today.


Nicolas Ruelle, Naval Engineer, former Navy Officer on nuclear battleships,

Head of the Department of Port Development


Emmanuel Mégrelis, Head, Houston Office,

in charge of mining, oil & gas activities


Nicolas Mégrelis, Engineer, Head of Moscow Office,

in charge of gas, mining and distribution in FSU countries

1970-2020 : 50 years of services


Founded in 1970 by Christian Megrelis, a French hi-tech engineer with international roots, EXA INTERNATIONAL has been, from her very beginning a creative and ambitious company, with a deep feeling of global economics evolutions.


EXA INTERNATIONAL is a company dedicated to the development of international trade and investments, with a strong priority given to engineering and finance.
In a few years the company acquired a mastership in the development of projects requiring dual expertise in advanced technologies and finance.

EXA INTERNATIONAL has been at his best in emerging countries with vast industrial ambitions hampered by lack of adequate financing capabilities, like Mexico, Brazil, Indonesia, Congo, Zaire, Ivory Coast, Russia, FSU countries and now China.
Her fields of excellence are engineering related to gas and siderurgy and valorization of natural resources.

EXA INTERNATIONAL is currently developing a new activity in nuclear engineering, with a specialization in reactors of Nuclear Propulsion.

EXA International also launches a new activity of ammonia and methanol plant depollution in cooperation with one of the world biggest ammonia trader.

EXA INTERNATIONAL has been a pioneer in the South-South exchanges in the 80', in East-West exchanges in the 90', in Far East-West exchanges in the 00' and today, in South-North exchanges from Africa to the rest of the world.

Early 2005 we started our cooperation with Central African countries. Mining and natural gas projects have been implemented in conjunction with Asian private investors.

As of today EXA INTERNATIONAL diversifies in the sectors of port development and training for international business.

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