Return to NAICS Codes
331     Primary Metal Manufacturing
3311     Iron and Steel Mills and Ferroalloy Manufacturing
33111     Iron and Steel Mills and Ferroalloy Manufacturing
331111     Iron and Steel Mills
331112     Electrometallurgical Ferroalloy Product Manufacturing
3312     Steel Product Manufacturing from Purchased Steel
33121     Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
33122     Rolling and Drawing of Purchased Steel
331221     Rolled Steel Shape Manufacturing
331222     Steel Wire Drawing
3313     Alumina and Aluminum Production and Processing
33131     Alumina and Aluminum Production and Processing
331311     Alumina Refining
331312     Primary Aluminum Production
331314     Secondary Smelting and Alloying of Aluminum
331315     Aluminum Sheet, Plate, and Foil Manufacturing
331316     Aluminum Extruded Product Manufacturing
331319     Other Aluminum Rolling and Drawing
3314     Nonferrous Metal (except Aluminum) Production and Processing
33141     Nonferrous Metal (except Aluminum) Smelting and Refining
331411     Primary Smelting and Refining of Copper
331419     Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)
33142     Copper Rolling, Drawing, Extruding, and Alloying
331421     Copper Rolling, Drawing, and Extruding
331422     Copper Wire (except Mechanical) Drawing
331423     Secondary Smelting, Refining, and Alloying of Copper
33149     Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, Extruding, and Alloying
331491     Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331492     Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
3315     Foundries
33151     Ferrous Metal Foundries
331511     Iron Foundries
331512     Steel Investment Foundries
331513     Steel Foundries (except Investment)
33152     Nonferrous Metal Foundries
331521     Aluminum Die-Casting Foundries
331522     Nonferrous (except Aluminum) Die-Casting Foundries
331524     Aluminum Foundries (except Die-Casting)
331525     Copper Foundries (except Die-Casting)
331528     Other Nonferrous Foundries (except Die-Casting)
332     Fabricated Metal Product Manufacturing
3321     Forging and Stamping
33211     Forging and Stamping
332111     Iron and Steel Forging
332112     Nonferrous Forging
332114     Custom Roll Forming
332115     Crown and Closure Manufacturing
332116     Metal Stamping
332117     Powder Metallurgy Part Manufacturing
3322     Cutlery and Handtool Manufacturing
33221     Cutlery and Handtool Manufacturing
332211     Cutlery and Flatware (except Precious) Manufacturing
332212     Hand and Edge Tool Manufacturing
332213     Saw Blade and Handsaw Manufacturing
332214     Kitchen Utensil, Pot, and Pan Manufacturing
3323     Architectural and Structural Metals Manufacturing
33231     Plate Work and Fabricated Structural Product Manufacturing
332311     Prefabricated Metal Building and Component Manufacturing
332312     Fabricated Structural Metal Manufacturing
332313     Plate Work Manufacturing
33232     Ornamental and Architectural Metal Products Manufacturing
332321     Metal Window and Door Manufacturing
332322     Sheet Metal Work Manufacturing
332323     Ornamental and Architectural Metal Work Manufacturing
3324     Boiler, Tank, and Shipping Container Manufacturing
33241     Power Boiler and Heat Exchanger Manufacturing
33242     Metal Tank (Heavy Gauge) Manufacturing
33243     Metal Can, Box, and Other Metal Container (Light Gauge) Manufacturing
332431     Metal Can Manufacturing
332439     Other Metal Container Manufacturing
3325     Hardware Manufacturing
33251     Hardware Manufacturing
3326     Spring and Wire Product Manufacturing
33261     Spring and Wire Product Manufacturing
332611     Spring (Heavy Gauge) Manufacturing
332612     Spring (Light Gauge) Manufacturing
332618     Other Fabricated Wire Product Manufacturing
3327     Machine Shops, Turned Product and Screw, Nut and Bolt Manufacturing
33271     Machine Shops
33272     Turned Product and Screw, Nut, and Bolt Manufacturing
332721     Precision Turned Product Manufacturing
332722     Bolt, Nut, Screw, Rivet, and Washer Manufacturing
3328     Coating, Engraving, Heat Treating, and Allied Activities
33281     Coating, Engraving, Heat Treating, and Allied Activities
332811     Metal Heat Treating
332812     Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
332813     Electroplating, Plating, Polishing, Anodizing, and Coloring
3329     Other Fabricated Metal Product Manufacturing
33291     Metal Valve Manufacturing
332911     Industrial Valve Manufacturing
332912     Fluid Power Valve and Hose Fitting Manufacturing
332913     Plumbing Fixture Fitting and Trim Manufacturing
332919     Other Metal Valve and Pipe Fitting Manufacturing
33299     All Other Fabricated Metal Product Manufacturing
332991     Ball and Roller Bearing Manufacturing
332992     Small Arms Ammunition Manufacturing
332993     Ammunition (except Small Arms) Manufacturing
332994     Small Arms Manufacturing
332995     Other Ordnance and Accessories Manufacturing
332996     Fabricated Pipe and Pipe Fitting Manufacturing
332997     Industrial Pattern Manufacturing
332998     Enameled Iron and Metal Sanitary Ware Manufacturing
332999     All Other Miscellaneous Fabricated Metal Product Manufacturing
333     Machinery Manufacturing
3331     Agriculture, Construction, and Mining Machinery Manufacturing
33311     Agricultural Implement Manufacturing
333111     Farm Machinery and Equipment Manufacturing
333112     Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
33312     Construction Machinery Manufacturing
33313     Mining and Oil and Gas Field Machinery Manufacturing
333131     Mining Machinery and Equipment Manufacturing
333132     Oil and Gas Field Machinery and Equipment Manufacturing
3332     Industrial Machinery Manufacturing
33321     Sawmill and Woodworking Machinery Manufacturing
33322     Plastics and Rubber Industry Machinery Manufacturing
33329     Other Industrial Machinery Manufacturing
333291     Paper Industry Machinery Manufacturing
333292     Textile Machinery Manufacturing
333293     Printing Machinery and Equipment Manufacturing
333294     Food Product Machinery Manufacturing
333295     Semiconductor Machinery Manufacturing
333298     All Other Industrial Machinery Manufacturing
3333     Commercial and Service Industry Machinery Manufacturing
33331     Commercial and Service Industry Machinery Manufacturing
333311     Automatic Vending Machine Manufacturing
333312     Commercial Laundry, Drycleaning, and Pressing Machine Manufacturing
333313     Office Machinery Manufacturing
333314     Optical Instrument and Lens Manufacturing
333315     Photographic and Photocopying Equipment Manufacturing
333319     Other Commercial and Service Industry Machinery Manufacturing
3334     Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
33341     Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
333411     Air Purification Equipment Manufacturing
333412     Industrial and Commercial Fan and Blower Manufacturing
333414     Heating Equipment (except Warm Air Furnaces) Manufacturing
333415     Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
3335     Metalworking Machinery Manufacturing
33351     Metalworking Machinery Manufacturing
333511     Industrial Mold Manufacturing
333512     Machine Tool (Metal Cutting Types) Manufacturing
333513     Machine Tool (Metal Forming Types) Manufacturing
333514     Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
333515     Cutting Tool and Machine Tool Accessory Manufacturing
333516     Rolling Mill Machinery and Equipment Manufacturing
333518     Other Metalworking Machinery Manufacturing
3336     Engine, Turbine, and Power Transmission Equipment Manufacturing
33361     Engine, Turbine, and Power Transmission Equipment Manufacturing
333611     Turbine and Turbine Generator Set Units Manufacturing
333612     Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing
333613     Mechanical Power Transmission Equipment Manufacturing
333618     Other Engine Equipment Manufacturing
3339     Other General Purpose Machinery Manufacturing
33391     Pump and Compressor Manufacturing
333911     Pump and Pumping Equipment Manufacturing
333912     Air and Gas Compressor Manufacturing
333913     Measuring and Dispensing Pump Manufacturing
33392     Material Handling Equipment Manufacturing
333921     Elevator and Moving Stairway Manufacturing
333922     Conveyor and Conveying Equipment Manufacturing
333923     Overhead Traveling Crane, Hoist, and Monorail System Manufacturing
333924     Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
33399     All Other General Purpose Machinery Manufacturing
333991     Power-Driven Handtool Manufacturing
333992     Welding and Soldering Equipment Manufacturing
333993     Packaging Machinery Manufacturing
333994     Industrial Process Furnace and Oven Manufacturing
333995     Fluid Power Cylinder and Actuator Manufacturing
333996     Fluid Power Pump and Motor Manufacturing
333997     Scale and Balance (except Laboratory) Manufacturing
333999     All Other Miscellaneous General Purpose Machinery Manufacturing
334     Computer and Electronic Product Manufacturing
3341     Computer and Peripheral Equipment Manufacturing
33411     Computer and Peripheral Equipment Manufacturing
334111     Electronic Computer Manufacturing
334112     Computer Storage Device Manufacturing
334113     Computer Terminal Manufacturing
334119     Other Computer Peripheral Equipment Manufacturing
3342     Communications Equipment Manufacturing
33421     Telephone Apparatus Manufacturing
33422     Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
33429     Other Communications Equipment Manufacturing
3343     Audio and Video Equipment Manufacturing
33431     Audio and Video Equipment Manufacturing
3344     Semiconductor and Other Electronic Component Manufacturing
33441     Semiconductor and Other Electronic Component Manufacturing
334411     Electron Tube Manufacturing
334412     Bare Printed Circuit Board Manufacturing
334413     Semiconductor and Related Device Manufacturing
334414     Electronic Capacitor Manufacturing
334415     Electronic Resistor Manufacturing
334416     Electronic Coil, Transformer, and Other Inductor Manufacturing
334417     Electronic Connector Manufacturing
334418     Printed Circuit Assembly (Electronic Assembly) Manufacturing
334419     Other Electronic Component Manufacturing
3345     Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
33451     Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
334510     Electromedical and Electrotherapeutic Apparatus Manufacturing
334511     Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334512     Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
334513     Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334514     Totalizing Fluid Meter and Counting Device Manufacturing
334515     Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
334516     Analytical Laboratory Instrument Manufacturing
334517     Irradiation Apparatus Manufacturing
334518     Watch, Clock, and Part Manufacturing
334519     Other Measuring and Controlling Device Manufacturing
3346     Manufacturing and Reproducing Magnetic and Optical Media
33461     Manufacturing and Reproducing Magnetic and Optical Media
334611     Software Reproducing
334612     Prerecorded Compact Disc (except Software), Tape, and Record Reproducing
334613     Magnetic and Optical Recording Media Manufacturing
335     Electrical Equipment, Appliance, and Component Manufacturing
3351     Electric Lighting Equipment Manufacturing
33511     Electric Lamp Bulb and Part Manufacturing
33512     Lighting Fixture Manufacturing
335121     Residential Electric Lighting Fixture Manufacturing
335122     Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing
335129     Other Lighting Equipment Manufacturing
3352     Household Appliance Manufacturing
33521     Small Electrical Appliance Manufacturing
335211     Electric Housewares and Household Fan Manufacturing
335212     Household Vacuum Cleaner Manufacturing
33522     Major Appliance Manufacturing
335221     Household Cooking Appliance Manufacturing
335222     Household Refrigerator and Home Freezer Manufacturing
335224     Household Laundry Equipment Manufacturing
335228     Other Major Household Appliance Manufacturing
3353     Electrical Equipment Manufacturing
33531     Electrical Equipment Manufacturing
335311     Power, Distribution, and Specialty Transformer Manufacturing
335312     Motor and Generator Manufacturing
335313     Switchgear and Switchboard Apparatus Manufacturing
335314     Relay and Industrial Control Manufacturing
3359     Other Electrical Equipment and Component Manufacturing
33591     Battery Manufacturing
335911     Storage Battery Manufacturing
335912     Primary Battery Manufacturing
33592     Communication and Energy Wire and Cable Manufacturing
335921     Fiber Optic Cable Manufacturing
335929     Other Communication and Energy Wire Manufacturing
33593     Wiring Device Manufacturing
335931     Current-Carrying Wiring Device Manufacturing
335932     Noncurrent-Carrying Wiring Device Manufacturing
33599     All Other Electrical Equipment and Component Manufacturing
335991     Carbon and Graphite Product Manufacturing
335999     All Other Miscellaneous Electrical Equipment and Component Manufacturing
336     Transportation Equipment Manufacturing
3361     Motor Vehicle Manufacturing
33611     Automobile and Light Duty Motor Vehicle Manufacturing
336111     Automobile Manufacturing
336112     Light Truck and Utility Vehicle Manufacturing
33612     Heavy Duty Truck Manufacturing
3362     Motor Vehicle Body and Trailer Manufacturing
33621     Motor Vehicle Body and Trailer Manufacturing
336211     Motor Vehicle Body Manufacturing
336212     Truck Trailer Manufacturing
336213     Motor Home Manufacturing
336214     Travel Trailer and Camper Manufacturing
3363     Motor Vehicle Parts Manufacturing
33631     Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
336311     Carburetor, Piston, Piston Ring, and Valve Manufacturing
336312     Gasoline Engine and Engine Parts Manufacturing
33632     Motor Vehicle Electrical and Electronic Equipment Manufacturing
336321     Vehicular Lighting Equipment Manufacturing
336322     Other Motor Vehicle Electrical and Electronic Equipment Manufacturing
33633     Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing
33634     Motor Vehicle Brake System Manufacturing
33635     Motor Vehicle Transmission and Power Train Parts Manufacturing
33636     Motor Vehicle Seating and Interior Trim Manufacturing
33637     Motor Vehicle Metal Stamping
33639     Other Motor Vehicle Parts Manufacturing
336391     Motor Vehicle Air-Conditioning Manufacturing
336399     All Other Motor Vehicle Parts Manufacturing
3364     Aerospace Product and Parts Manufacturing
33641     Aerospace Product and Parts Manufacturing
336411     Aircraft Manufacturing
336412     Aircraft Engine and Engine Parts Manufacturing
336413     Other Aircraft Parts and Auxiliary Equipment Manufacturing
336414     Guided Missile and Space Vehicle Manufacturing
336415     Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing
336419     Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing
3365     Railroad Rolling Stock Manufacturing
33651     Railroad Rolling Stock Manufacturing
3366     Ship and Boat Building
33661     Ship and Boat Building
336611     Ship Building and Repairing
336612     Boat Building
3369     Other Transportation Equipment Manufacturing
33699     Other Transportation Equipment Manufacturing
336991     Motorcycle, Bicycle, and Parts Manufacturing
336992     Military Armored Vehicle, Tank, and Tank Component Manufacturing
336999     All Other Transportation Equipment Manufacturing
337     Furniture and Related Product Manufacturing
3371     Household and Institutional Furniture and Kitchen Cabinet Manufacturing
33711     Wood Kitchen Cabinet and Countertop Manufacturing
33712     Household and Institutional Furniture Manufacturing
337121     Upholstered Household Furniture Manufacturing
337122     Nonupholstered Wood Household Furniture Manufacturing
337124     Metal Household Furniture Manufacturing
337125     Household Furniture (except Wood and Metal) Manufacturing
337127     Institutional Furniture Manufacturing
337129     Wood Television, Radio, and Sewing Machine Cabinet Manufacturing
3372     Office Furniture (including Fixtures) Manufacturing
33721     Office Furniture (including Fixtures) Manufacturing
337211     Wood Office Furniture Manufacturing
337212     Custom Architectural Woodwork and Millwork Manufacturing
337214     Office Furniture (except Wood) Manufacturing
337215     Showcase, Partition, Shelving, and Locker Manufacturing
3379     Other Furniture Related Product Manufacturing
33791     Mattress Manufacturing
33792     Blind and Shade Manufacturing
339     Miscellaneous Manufacturing
3391     Medical Equipment and Supplies Manufacturing
33911     Medical Equipment and Supplies Manufacturing
339111     Laboratory Apparatus and Furniture Manufacturing
339112     Surgical and Medical Instrument Manufacturing
339113     Surgical Appliance and Supplies Manufacturing
339114     Dental Equipment and Supplies Manufacturing
339115     Ophthalmic Goods Manufacturing
339116     Dental Laboratories
3399     Other Miscellaneous Manufacturing
33991     Jewelry and Silverware Manufacturing
339911     Jewelry (except Costume) Manufacturing
339912     Silverware and Hollowware Manufacturing
339913     Jewelers' Material and Lapidary Work Manufacturing
339914     Costume Jewelry and Novelty Manufacturing
33992     Sporting and Athletic Goods Manufacturing
33993     Doll, Toy, and Game Manufacturing
339931     Doll and Stuffed Toy Manufacturing
339932     Game, Toy, and Children's Vehicle Manufacturing
33994     Office Supplies (except Paper) Manufacturing
339941     Pen and Mechanical Pencil Manufacturing
339942     Lead Pencil and Art Good Manufacturing
339943     Marking Device Manufacturing
339944     Carbon Paper and Inked Ribbon Manufacturing
33995     Sign Manufacturing
33999     All Other Miscellaneous Manufacturing
339991     Gasket, Packing, and Sealing Device Manufacturing
339992     Musical Instrument Manufacturing
339993     Fastener, Button, Needle, and Pin Manufacturing
339994     Broom, Brush, and Mop Manufacturing
339995     Burial Casket Manufacturing
339999     All Other Miscellaneous Manufacturing

Back to Top



Return to NAICS Codes