TECHNI PREFA • Civil engineering contractors NES,THOUARS

NAF Rev.2 (FR 2008) : Manufacture of concrete products for construction purposes (2361Z)

Conventions Collectives : 2i - Convention collective nationale des industries de carrières et matériaux de construction (3249)

NACE Rev.2 (EU 2008) : Manufacture of concrete products for construction purposes (2361)

ISIC 4 (WORLD) : Manufacture of articles of concrete, cement and plaster (2395)

NACE Rev.2.1 (EU 2025) : Manufacture of concrete products for construction purposes (2361)