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

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

50 59 00 Construction Material Delivery/Hauling 50 61 00 Construction Material Supplier 05 50 00 Metal Fabrications 05 52 00 Metal Railings 50 13 00 Engineers 05 10 00 Structural Metal Framing 05 30 00 Metal Decking 05 51 00 Metal Stairs

50 59 00 Construction Material Delivery/Hauling 50 61 00 Construction Material Supplier 05 50 00 Metal Fabrications 05 52 00 Metal Railings 05 31 00 Steel Decking 05 10 00 Structural Metal Framing 13 34 00 Fabricated Engineered Structures 05 30 00 Metal Decking 05 51 00 Metal Stairs 05 54 00 Metal Floor Plates 05 58 00 Formed Metal Fabrications 05 13 00 Structural Stainless-Steel Framing 05 53 00 Metal Gratings