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Repair, maintenance and associated services related to aircraft and other equipment System, storage and content management software package Control, safety, signalling and light equipment Control, safety or signalling equipment for inland waterways Repair, maintenance and associated services related to marine and other equipment Repair, maintenance and associated services related to aircraft, railways, roads and marine equipment Heating works Control, safety or signalling equipment for parking facilities Command, control, communication systems Electricity, heating, solar and nuclear energy Control, safety or signalling equipment for port installations Command, control, communication and computer systems System, storage and content management software development services Repair, maintenance and associated services related to roads and other equipment Pressure-reducing, control, check or safety valves Other services Control, safety or signalling equipment for roads Repair, maintenance and associated services of vehicles and related equipment Repair, maintenance and associated services related to personal computers, office equipment, telecomm... Heating, ventilation and air-conditioning installation work Repair, maintenance and associated services related to railways and other equipment Control, safety or signalling equipment for airports

Economics Educational institutions Case making services IP phones University

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Printing and Publishing Services Construction Energy-Power and Electrical Computer Hardwares and Consumables Steel Aviation