1958 : Grouping of several study organizations specialized in construction techniques to form The Groupe d'Etudes pour la Construction.
1974 : The Groupe d'Etudes pour la Construction developed into a private limited company.
1976 : Marc BORENSZTEIN hired by the Groupe d'Etudes pour la Construction.
1983 : Marc BORENSZTEIN appointed Managing Director.
1988 : Michel DUBOIS and Marc BORENSZTEIN signed the company cession act.
1989 : Jean-Paul BALAGUÉ joined the company.
1994 : Marc BORENSZTEIN became President and Managing Director of the Groupe d’Etudes pour la Construction.
1997 : Jacques FAZILLEAU joined the company as Vice Managing Director and partner.
1999 : Julien REBEYROLLE joined the company.
2004 : The Groupe d'Etudes pour la Construction became IGREC INGENIERIE.
2005 : Jean-Paul BALAGUÉ appointed Projects Director and became partner.
2008 : IGREC INGENIERIE celebrated its 50 years.
2009 : IGREC INGENIERIE became IGREC INGENIERIE SAS. Some of its managers became partners.
2011 : Jacques FAZILLEAU retires. Jean-Paul BALAGUÉ becomes the new Managing Director.
2013 : Patrick FÉRON joined the company.
2016 : Jean-Paul BALAGUÉ becomes President and Julien REBEYROLLE Managing Director. Patrick FÉRON appointed Deputy Managing-Director.
IGREC INGENIERIE is a simplified joint stock company with a capital of € 266,250, entirely held by its managers.