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 10 00 Structural Metal Framing 05 51 00 Metal Stairs 05 52 00 Metal Railings 05 54 00 Metal Floor Plates 05 59 00 Metal Specialties 23 31 00 HVAC Ducts and Casings 50 59 00 Construction Material Delivery/Hauling 50 61 00 Construction Material Supplier 50 64 00 HVAC Supplies

05 50 00 Metal Fabrications 05 51 00 Metal Stairs 05 52 00 Metal Railings 05 59 00 Metal Specialties 05 70 00 Decorative Metal 05 71 00 Decorative Metal Stairs 05 73 00 Decorative Metal Railings 05 74 00 Decorative Metal Castings 05 75 00 Decorative Formed Metal 08 11 00 Metal Doors and Frames 50 61 00 Construction Material Supplier