| 031.03 Air Conditioners: Commercial, and Parts and Accessories not Individually Itemized |
| 031.04 Air Conditioners: Controlled Environment (For Computer Rooms, etc.), and Parts and Accessories not Individually Itemized) |
| 031.05 Air Conditioners (Cooling and Cooling/Heating Types): Window and Wall Mounted, and Parts and Accessories Not Individually Itemized |
| 031.06 Air Conditioning and Heating: Central Units, and Parts and Accessories Not Individually Itemized |
| 031.07 Air Circulation Equipment (Not Otherwise Classified) |
| 031.08 Air Curtains |
| 031.09 Air Flow Meters |
| 031.10 Air Purifiers, Accessories and Supplies |
| 031.11 Blowers: Industrial Types |
| 031.13 Chillers, Heat Exchangers and Receivers |
| 031.14 Chilled Water System, Portable |
| 031.15 Chilled Water Meter System |
| 031.16 Coatings and Sealants, Duct |
| 031.17 Coils: Chilled or Heated Water, and Direct Expansion |
| 031.18 Coil and Fan Units, Air Conditioning |
| 031.21 Compressors, Air Conditioning: Industrial Type, and Parts |
| 031.23 Condensing Units (For Air Conditioners) |
| 031.24 Controls, Cooling Tower Water Treatment: pH, Conductivity, Corrosion Sensors |
| 031.25 Controls: Limit Switches, Relays, Thermostats, Gas Valves, etc. |
| 031.26 Control Systems: Complete (For Automatic Temperature Control) |
| 031.27 Cooling Tower Water Treatment: Non-chemical Ozone, Centrifugal Separators, Magnetic Descaling Equip. (See Class 885 for Chemical Types) |
| 031.28 Cooling Towers: Forced Air, Gravity, etc. |
| 031.29 Dampers, Motorized |
| 031.30 Dehumidifiers and Humidifiers |
| 031.31 Duct Cleaning Equipment, Air |
| 031.32 Duct, Prefabricated (Flexible or Rigid): Glass Fiber, Plastic, etc. |
| 031.33 Duct, Fabricated, Metal |
| 031.34 Dust Collectors, Industrial Type |
| 031.36 Electronic Air Cleaners, Electrostatic Precipitators, Ozonators, Accessories, and Parts |
| 031.38 Evaporative Coolers |
| 031.40 Fans, Industrial Types: Attic, Exhaust, Forced Draft, etc. (Including Fan Blades and Fan Parts) |
| 031.41 Fans, Room Type, Ceiling and Portable Type (Stationary and Oscillating) |
| 031.43 Filter Coating, Adhesive, Coil Cleaners, Degreasing Solvents, etc. |
| 031.44 Filters, Air Conditioning/Furnace (Permanent Type) |
| 031.45 Filters, Air Conditioning/Furnace (Disposable Types) |
| 031.46 Filters and Filter Media, Evaporative Cooler |
| 031.49 Filter Frames, Metal |
| 031.53 Grilles, Diffusers, Registers, etc. |
| 031.56 Heat Pumps |
| 031.65 Heating Elements, Electric |
| 031.67 HVAC Equipment, Accessories and Supplies (Not Otherwise Classified) |
| 031.78 Roof Ventilators, Power Driven (Including Recycled Types) |
| 031.89 Thermometers and Gauges |
| 031.95 Ventilation Equipment and Systems (See 031-78, 79 for Roof Ventilators) |
| 031.96 Vent Pipes, Fittings, and Accessories |
| 045.06 Appliances, Small, Electric (Not Otherwise Classified) |
| 045.18 Cleaners and Sweepers, Hand-Operated |
| 045.20 Coffeemakers, All Types (Household) |
| 045.24 Dishwashers |
| 045.30 Disposal Units |
| 045.50 Kitchen Units, Compact, Complete |
| 045.52 Ovens, Microwave and Convection (Household) |
| 045.54 Ranges, Stove Tops, and Ovens, Electric |
| 045.60 Ranges, Stove Tops, and Ovens, Gas |
| 045.66 Refrigerators and Freezers |
| 045.75 Trash Compactors (See 165 and 545 for Other Types) |
| 045.77 Vacuum Cleaners, Manual (Including Parts and Accessories) |
| 045.78 Vacuum Cleaners, Electric (Including Parts and Accessories) |
| 045.84 Vent Hoods (For Ranges) |
| 150.02 Adhesives, Bonding Agents and Cement Antifreeze |
| 150.10 Construction Materials (Not Otherwise Classified) |
| 150.12 Cement, Concrete, Lime and Plaster Mixes, Sacked (LTL Quantities) (See Class 750 for Bulk Cement, Concrete and Lime) |
| 150.33 Grout, Drywall |
| 165.02 Blenders, Food Cutters, and Mixers |
| 165.05 Cabinets, Counters, Stands, Tables, etc. |
| 165.07 Cafeteria and Kitchen Equipment (Not Otherwise Classified) |
| 165.14 Cleaner/Sanitizer |
| 165.15 Coffeemakers, Hot Water Dispensers, Urn Bags and Filters |
| 165.20 Deep Fat Fryers |
| 165.23 Dish Storage Units |
| 165.26 Dish Trucks and Tote Boxes |
| 165.29 Dishwashers |
| 165.30 Dispensers: Aluminum Foil, Plastic Wrap, Food Service Gloves, etc. |
| 165.37 Dunnage Racks |
| 165.41 Filters, Grease Cleaning (For Vent Hoods) |
| 165.44 Food Containers, Stainless Steel, Vacuum Type |
| 165.47 Food Carts and Cafeteria Serving Units Including Steam Tables |
| 165.52 Ice Equipment: Carts, Crushers, Picks, Scoops, Shavers, Storage Bins, Tongs, etc. |
| 165.54 Ingredient Storage Bins |
| 165.60 Ovens, Convection and Microwave (Commercial) |
| 165.68 Racks: Cup, Glass, Tray, etc. |
| 165.70 Racks, Utensil and Pastry: Aluminum, Chrome, and Stainless Steel |
| 165.73 Ranges, Griddles, Hot Plates, Warmers, etc., Electric and Gas |
| 165.76 Sanitizers (Used to sanitize dishes, counters or any food contact area) |
| 165.79 Sinks, Scullery, Galvanized and Stainless Steel |
| 165.85 Steam Cookers and Steam Jacketed Kettles |
| 165.88 Storage Shelves, Aluminum, Chrome, and Stainless Steel |
| 165.91 Toasters, Electric and Gas |
| 165.94 Vent Hoods and Exhaust Systems, Range |
| 192.17 Chemical Spill Solvents and Detergents |
| 225.30 Coolers, Electric (Water Fountains) |
| 225.32 Coolers, Non-Electric (Water Fountains) |
| 225.40 Coolers, Storage Type (Remote Refrigeration Unit), Including Parts |
| 280.08 Appliance, Fixture, and Portable Cables and Wires (Up to 600V): Types S, SJ, SJO, SO, SPT, TF, TFF, etc. |
| 280.16 Bare Cables and Wires: Type ACSR, Bare Copper, Bare Aluminum, etc. |
| 280.24 Building Cables and Wires, Single and Multiconductor: Types NM, THWN, TW, THW, THHN, XHHW, RHW, RR, ROMEX, etc. |
| 280.30 Control Cables and Wires, Solid and Stranded, Single and Multiconductor (Up to 600V, for use in Boiler Controls, Fire Alarms, Motors, etc.) |
| 280.80 Underground Cables and Wires, Solid and Stranded, Single and Multiconductor, Aluminum and Copper: Types UF, URD, USE, XLP, etc. |
| 280.95 Wire and Cable (Not Otherwise Classified) |
| 285.09 Cabinets, Electrical Service Entrance |
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