Ventilation Regulation and Administration of Communications Plumbing Scenic and Sightseeing Transportation Regulation and Administration of Communications International Plumbing Ventilation Water

Gases Repair, maintenance and associated services related to aircraft and other equipment Repair, maintenance and associated services related to marine and other equipment Repair, maintenance and associated services related to aircraft, railways, roads and marine equipment Sewage work Heating works Electricity, heating, solar and nuclear energy Repair, maintenance and associated services related to roads and other equipment Sewage, refuse, cleaning and environmental services 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

Water Water, sanitation and hygiene kits Water, sanitation and hygiene kit Water, sanitation and hygiene kits

Eastern Europe Europe

Civil Works Building Roads and Highways-Bridge Oil and Gas Water and Sanitation Printing and Publishing Construction Energy-Power and Electrical Computer Hardwares and Consumables Steel Building Material Marine