40 Manufacture of building platforms to the order and specification of others; manufacture of transit platforms to the order and specification of others; manufacture of raised building walkways to the order and specification of others; manufacture of raised platform components to the order and specification of others, namely, frames not of metal for building, non-metal reinforcement materials for building, non-metal decking, non-metal stairs, staircases, not of metal, beams, not of metal, non-metal pillars for building, building panels, not of metal, plastic composite panels for building, framework for building, not of metal, tiles, not of metal, for building, brackets, not of metal, for building, reinforcing materials, not of metal for building