TRB Lightweight Structures is a leading tier 1 manufacturing and engineering supplier to the UK and European train builders, offering a complete concept to delivery and comprehensive rolling stock refurbishment service using in-house production, engineering and laboratory testing facilities. TRB has been working with train builders and operators for more than 40 years, designing and manufacturing a wide range of interior and exterior components – such as floors, partitions, galleys and storage units, driver cab doors, main passenger doors and emergency detrainment door systems – for both new builds and refurbished rolling stock.