71.12.B - Other activities in the field of engineering and related technical consulting
30.31.Z - Manufacture of civilian air and spacecraft and related machinery
30.32.Z - Manufacture of military air and spacecraft and related machinery
33.16.Z - Repair and maintenance of civilian air and spacecraft
33.18.Z - Repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft
33.19.Z - Repair and maintenance of other equipment
33.20.Z - Installation of industrial machinery and equipment
41.00.B - Construction of non-residential buildings
43.12.Z - Site preparation
43.24.Z - Other construction installation
43.42.Z - Other specialised construction activities in construction of buildings
43.60.Z - Intermediation service activities for specialised construction services
52.23.Z - Service activities incidental to air transportation
70.20.Z - Business and other management consultancy activities
71.20.C - Other technical research and analyses
74.99.Z - All other professional, scientific and technical activities n.e.c.
77.35.Z - Rental and leasing of air transport equipment
82.10.Z - Office administrative and support activities
82.30.Z - Organisation of conventions and trade shows
82.99.B - Support activities for business operations not classified elsewhere
