Open Concept ApS • オペレーティング・システム,Gentofte

NACE Rev.2 (EU 2008) : Other software publishing (5829)

NACE Rev.2 (EU 2008) : Data processing, hosting and related activities (6311)

NACE Rev.2 (EU 2008) : Web portals (6312)

NACE Rev.2 (EU 2008) : Computer consultancy activities (6202)

NACE Rev.2.1 (EU 2025) : Other software publishing (5829)

ISIC 4 (WORLD) : Software publishing (5820)

ISIC 4 (WORLD) : Data processing, hosting and related activities (6311)

ISIC 4 (WORLD) : Web portals (6312)

ISIC 4 (WORLD) : Computer consultancy and computer facilities management activities (6202)