05 00 00 Metals 05 00 01 Miscellaneous Metals 05 00 03 Structural & Miscellaneous Metals 05 10 00 Structural Metal Framing 05 12 00 Structural Steel Framing 05 20 00 Metal Joists 05 21 00 Steel Joist Framing 05 30 00 Metal Decking 05 31 00 Steel Decking 05 50 00 Metal Fabrications 05 51 00 Metal Stairs 05 51 33 Metal Ladders 05 52 00 Metal Railings 05 52 13 Pipe & Tube Railings

05 12 00 Structural Steel Framing 05 50 00 Metal Fabrications 05 51 00 Metal Stairs 05 52 00 Metal Railings 05 55 00 Metal Stair Treads and Nosings 05 70 00 Decorative Metal 05 71 00 Decorative Metal Stairs 05 73 00 Decorative Metal Railings 05 51 33 Metal Ladders

03 15 00 Concrete Accessories 06 05 00 Fasteners & Adhesives 11 00 01 Safety Restraint System 01 54 40 Construction Tools & Accessories 01 54 50 Contractors Equipment 03 15 20 Anchors 03 81 10 Concrete Sawing 04 05 23 Masonry Accessories 05 51 33 Metal Ladders 07 40 01 Roofing & Siding Contractor 07 72 53 Snow Retention 07 72 65 Roofing Fasteners

05 00 00 Metals 05 00 01 Miscellaneous Metals 05 00 02 Miscellaneous Steel 05 00 03 Structural & Miscellaneous Metals 05 09 00 Metal Building Erection 05 10 00 Structural Metal Framing 05 12 00 Structural Steel Framing 05 12 40 Steel Erection 05 12 45 Miscellaneous Steel Install 05 20 00 Metal Joists 05 21 00 Steel Joist Framing 05 30 00 Metal Decking 05 31 00 Steel Decking 05 51 00 Metal Stairs 05 51 33 Metal Ladders 05 52 00 Metal Railings 05 52 13 Pipe & Tube Railings 13 21 26 Cold Storage Rooms