Truck Bodies & Equipment International (TBEI), a subsidiary of Federal Signal Corporation, encompasses thirteen leading brands of dump bodies, end-dump trailers, landscape bodies, containers, roll-off systems, truck bodies, platforms, hoists, and truck and trailer equipment and accessories. Examine welds for piece parts and products during any part of the manufacturing process looking for surface defects such as cracks, incomplete or defective welds, pits, paint and fabrication problems, etc.