35 Employment agencies, office functions, telephone answering services; administration and management of day nurseries and kindergartens.
36 Real estate administration.
37 Runway maintenance and repair; maintenance of heating and air conditioning systems, and of elevators and escalators; exterior and interior cleaning of aircraft; cleaning of ramps and runways; cleaning of buildings, playgrounds, installations, sites, roads, public areas, gardens, premises and vehicles, including special cleaning; cleaning and disinfecting services for the food industry ; cleaning of industrial real estate and industrial areas; cleaning of telephones and computers; destroying vermin (not for agricultural purposes); snow-clearing services; caretaker services in the form of maintenance, management of energy supplies and repair; clearing, cleaning and repair of fire and water damage.
39 Transport, baggage transport, porter services; disposal of contaminated water; parking lots; messenger services; providing of food and other goods.
42 Hygiene monitoring and environmental consultancy for the food industry, including bacteriological tests; environmental protection consultancy; hotels; control of vermin (not for agricultural purposes), consultancy with regard to safety matters; security guard and alarm services; security checks on persons and baggage at airports; entry control in connection with check-in; providing of food; outside catering; gardening services; design and maintenance of parks and green spaces; administration and management of nursing homes, hospices, hospitals and clinics, including medical clinics; health care; day nurseries and kindergartens.