The Welding Institute (opens in new window)TWI is the largest organization concerned with R&D in joining technologies in the western world. Confidential contract R&D, consultancy services and training are provided covering welding, cutting, surfacing and bonding of all engineering materials including metals, polymers and ceramics. Almost all industry sectors are serviced; heavy steel users like shipbuilding and earthmoving equipment; microtechnology such as medical or electronic devices; those with specialized material needs like aeronautics and nuclear power. TWI helps at any stage - from initial design, materials selection, production and quality assurance, through to service performance and repair.