Welding Institutes and Associations The Welding Institute The Welding Institute is the leading professional engineering institution for the professional registration and certification of welding and joining personnel worldwide. TWI Global TWI is one of the world's foremost independent research and technology organisations, with expertise in materials joining and engineering processes as applied in industry. European Welding Association The European Welding Association is a industrial association, which joins together manufacturers of welding equipment and welding consumables from across Europe and associations from the welding industry. Trade Associations Energy The Nuclear Energy Agency World Nuclear Association International Association of Oil and Gas Producers Construction European Construction Industry Federation European International Contractors The Association of European Experts in Building and Construction European Engineered Construction Systems Association UK Contractors Group Engineering Chartered Association of Building Engineers Institute of Nuclear Engineers Royal Academy of Engineering Institution of Mechanical Engineers Engineering Council Society of Petroleum Engineers British Engineering Manufacturers Association Marine Royal Institution of Naval Architects Shipbuilders & Shiprepairers Association Manufacturing British Manufacturers Organisation The Fabricators & Manufacturers Association, International Steel World Steel Association European Steel Association British Stainless Steel Association International Steel Trade Association European Community for Coal and Steel Other The Institute of Materials, Minerals and Mining The Pipe Jacking Association Trade Shows Manufacturing & Fabrication Manufacturing Management Show Industry South Schweissen & Schneiden Manufacturing in Motion Subcontract Manufacturing Supply Chain / Advanced Manufacturing / Engineer Design and Innovation Show Global Manufacturing Festival - Sheffield Construction & Engineering EcoBuild The Build Show Civils Expo Plant and Machinery Live Energy The Energy Event Clean Energy Live Energy Show Top of Page