05 12 00 Structural Steel Framing 05 10 00 Structural Metal Framing 05 20 00 Metal Joists 05 30 00 Metal Decking
CSI Codes : 05 10 00 Structural Metal Framing, 05 12 00 Structural Steel Framing, 05 20 00 Metal Joists, 05 30 00 Metal Decking