CONCEPTUS • Building contractors,GRANS

NAF Rev.2 (FR 2008) : Masonery works and building structural works (4399C)

Conventions Collectives : Construction - Convention collective nationale des cadres du bâtiment (2420)

NACE Rev.2 (EU 2008) : Other specialised construction activities n.e.c. (4399)

ISIC 4 (WORLD) : Other specialized construction activities (4390)

NACE Rev.2.1 (EU 2025) : Other specialised construction activities n.e.c. (4399)