The National Company of Aggregates " ENG " stemming from the reorganization of the SNMC (National Company of Building Materials) was created by decree N ° 86.270 of November 04th, 1986, with effect from January 1st, 1987.
The National company of Aggregates passed to autonomy on May 05th, 1990. It is a joint-stock company with a social capital of 1 billion dinars.
The actions of the ENG were distributed:
From May 05th, 1990 between the funds of participation construction, mines and chemistry pharmacy,
Then from 1996 in the portfolio of the Holding Public Mines,
Then in the portfolio of the Holding SIDMINES ( 2000 ),
And finally since October, 2001 in the portfolio of the management company of participations (SGP) SOMINES which holds to date the totality of the shares.