05 50 00 Metal Fabrications 05 59 00 Metal Specialties 08 13 00 Metal Doors 23 31 00 HVAC Ducts and Casings 23 33 00 Air Duct Accessories 45 39 00 Fabricated Metal Product Manufacturing Equipment 50 61 00 Construction Material Supplier 50 64 00 HVAC Supplies

05 73 00 Decorative Metal Railings 07 40 00 Roofing and Siding Panels 07 61 00 Sheet Metal Roofing 08 13 00 Metal Doors 08 40 00 Entrances, Storefronts and Curtain Walls 08 42 00 Entrances 08 43 00 Storefronts 08 44 00 Curtain Wall and Glazed Assemblies 08 45 00 Translucent Wall and Roof Assemblies 08 50 00 Windows 08 51 00 Metal Windows 08 60 00 Roof Windows and Skylights 08 63 00 Metal-Framed Skylights 08 90 00 Louvers and Vents 10 70 00 Exterior Specialties 10 71 00 Exterior Protection 10 71 13 Exterior Sun Control Devices 10 82 00 Grilles and Screens