05 31 00 Steel Decking 05 50 00 Metal Fabrications 05 51 00 Metal Stairs 05 52 00 Metal Railings 05 70 00 Decorative Metal 05 52 13 Pipe & Tube Railings 05 00 02 Miscellaneous Steel 05 00 04 Reinforcing Steel 05 12 41 Fabricated Special Steel 05 12 42 Plate Fabricated Steel 05 12 43 Stainless Steel Fabricators 05 12 00 Structural Steel Framing
CSI Codes : 05 00 00 Metals, 05 00 00 Metals, 05 12 00 Structural Steel Framing, 05 12 00 Structural Steel Framing, 05 12 00 Structural Steel Framing, 05 12 00 Structural Steel Framing, 05 31 00 Steel Decking, 05 50 00 Metal Fabrications, 05 51 00 Metal Stairs, 05 52 00 Metal Railings, 05 52 00 Metal Railings, 05 70 00 Decorative Metal