35 Advertising; Business management; Business administration; Office functions; Dissemination of advertisements; Trading in aircraft, aviation spare parts, assemblies and apparatus.
36 Insurance; Financial affairs; Monetary affairs; Real estate affairs; Hire-purchase financing for aircraft; Trading in aircraft fuel.
37 Machinery installation, maintenance and repair; Airplane maintenance and repair; Servicing of aircraft (refuelling and maintenance).
39 Air transport; Freight forwarding; Transportation information; Courier services [messages or merchandise]; Organising of excursions; Aircraft rental; Rental of aircraft engines; Piloting; Carting; Travel and passenger transportation; Travel reservation; Transport reservation; Storage of goods; Transportation logistics; Rental of aircraft.
41 Entertainment information; Provision of tuition; Training (Practical -) [demonstration]; Vocational retraining; Providing of training and retraining for pilots and technical staff.
42 Engineering services; Technical project studies; Testing [inspection] of vehicles for roadworthiness.