Maintenance [ and repair of runways,] maintenance of heating and air conditioning systems, of elevators and of escalators, [ outer and inner cleaning of aircrafts, cleaning of ramps and of runways;] cleaning of buildings, yards, facilities, property, roads, public areas, gardens, rooms and vehicles; cleaning within the food industry and disinfecting cleaning; cleaning of industrial premises; cleaning and rinsing of telephones and computers; [ vermin exterminating other than for agriculture;] snow removal services; janitorial services, namely, management of energy supply and maintenance, cleaning and repair of buildings; [ clearing, cleaning and repair after fire and water damages; contractor services, namely, constructing and installation of kitchens; installation, maintenance and reparation of computer hardware, and servers ]

Testing or inspecting food processing plants for the purpose of determining the hygienic quality thereof and consultancy relating to environmental conditions within the foodstuff industry, and bacteriological tests; consultation in environment protection; [ hotel services; pest control services for agriculture;] advisory services relating to security questions, guard and alarm services; security control of persons and luggage in airports; admittance control in connection with check-in; providing of food; catering; gardener and gardening services; lay out and care taking of parks and green areas; [ administration and running of rest homes, hospices, hospitals and clinics, and medical clinics; [heath] * health * care; day nursery; analysis of and advice on computer systems; consultancy in the field of computer hardware and software; computer programming for others; development, design, updating and maintenance of computer software; recovery of computer data; advice on and design of infrastructure for inter-, intra- and extra-net; rental of computers and computer software; compilation of data-processing programs; engineering in connection with computer software; planning control and supervision of computer systems; execution and control of applications, namely, computer programs; administration of computer systems for businesses;] rental of mobile sanitary facilities