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NACE-BEL (BE 2025) : General construction of residential buildings (41001)

NACE Rev.2.1 (EU 2025) : Construction of residential and non-residential buildings (4100)

NACE-BEL (BE 2008) : Insulation work activities (43291)

NACE Rev.2 (EU 2008) : Other construction installation (4329)

NACE-BEL (BE 2008) : Work of masonry and rejoining (43994)

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

NACE-BEL (BE 2008) : Construction of residential buildings (41201)

NACE Rev.2 (EU 2008) : Construction of residential and non-residential buildings (4120)

NACE-BEL (BE 2008) : General construction of other non residential buildings (41203)

NACE-BEL (BE 2008) : General construction of office buildings (41202)

ISIC 4 (WORLD) : Other construction installation (4329)

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

ISIC 4 (WORLD) : Construction of buildings (4100)