CTL GROUP • Gas, water, plumbing, heating, ventilation and air conditioning (HVAC) plant installation and maintenance contractors,Asse

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 2025) : Installation of heating, ventilating, air conditioning, refrigeration installations powered by electricity (43222)

NACE Rev.2.1 (EU 2025) : Plumbing, heat and air-conditioning installation (4322)

NACE-BEL (BE 2025) : Joinery installation (43320)

NACE Rev.2.1 (EU 2025) : Joinery installation (4332)

NACE-BEL (BE 2025) : Floor and wall covering with tiles (43331)

NACE Rev.2.1 (EU 2025) : Floor and wall covering (4333)

NACE-BEL (BE 2025) : Sanitary work (43221)

NACE-BEL (BE 2008) : Air conditioning and ventilation heating installation (43222)

NACE Rev.2 (EU 2008) : Plumbing, heat and air-conditioning installation (4322)

NACE-BEL (BE 2008) : Plumbing (43221)

NACE-BEL (BE 2008) : Floor and wall tiling (43331)

NACE Rev.2 (EU 2008) : Floor and wall covering (4333)

NACE-BEL (BE 2008) : Joinery installation (43320)

NACE Rev.2 (EU 2008) : Joinery installation (4332)

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

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

ISIC 4 (WORLD) : Plumbing, heat and air-conditioning installation (4322)

ISIC 4 (WORLD) : Building completion and finishing (4330)

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