Structure of NAICS Code 31-33, Section 33 - Manufacturing of Primary Metal, Fabricated Metal Products, Machinery, Computer & Electronic Products, Electrical Equipment, Appliance, & Component, Transportation Equipment, Furniture & Related Products, Miscellaneous
Hierarchy Industry: Manufacturing
Subcategories are listed in order from general (3-Digit) to more specific (6-Digit) industry. Each category link leads to the corresponding Code Details page.
Categories
General
Specific
Hierarchy
3-Digits
4-Digits
5-Digits
6-Digits
3311 - Iron and Steel Mills and Ferroalloy Manufacturing
3313 - Alumina and Aluminum Production and Processing
3315 - Foundries
331 - Primary Metal Manufacturing
33121 - Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
33122 - Rolling and Drawing of Purchased Steel
3312 - Steel Product Manufacturing from Purchased Steel
331313 - Alumina Refining and Primary Aluminum Production
331314 - Secondary Smelting and Alloying of Aluminum
331315 - Aluminum Sheet, Plate, and Foil Manufacturing
331318 - Other Aluminum Rolling, Drawing, and Extruding
33131 - Alumina and Aluminum Production and Processing
33141 - Nonferrous Metal (except Aluminum) Smelting and Refining
33142 - Copper Rolling, Drawing, Extruding, and Alloying
3314 - Nonferrous Metal (except Aluminum) Production and Processing
331491 - Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331492 - Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
33149 - Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, Extruding, and Alloying
331511 - Iron Foundries
331512 - Steel Investment Foundries
331513 - Steel Foundries (except Investment)
33151 - Ferrous Metal Foundries
331523 - Nonferrous Metal Die-Casting Foundries
331524 - Aluminum Foundries (except Die-Casting)
331529 - Other Nonferrous Metal Foundries (except Die-Casting)
33152 - Nonferrous Metal Foundries
332111 - Iron and Steel Forging
332112 - Nonferrous Forging
332114 - Custom Roll Forming
332117 - Powder Metallurgy Part Manufacturing
332119 - Metal Crown, Closure, and Other Metal Stamping (except Automotive)
33211 - Forging and Stamping
332215 - Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing
332216 - Saw Blade and Handtool Manufacturing
33221 - Cutlery and Handtool Manufacturing
332311 - Prefabricated Metal Building and Component Manufacturing
332312 - Fabricated Structural Metal Manufacturing
332313 - Plate Work Manufacturing
33231 - Plate Work and Fabricated Structural Product Manufacturing
332321 - Metal Window and Door Manufacturing
332322 - Sheet Metal Work Manufacturing
332323 - Ornamental and Architectural Metal Work Manufacturing
33232 - Ornamental and Architectural Metal Products 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
3324 - Boiler, Tank, and Shipping Container Manufacturing
3325 - Hardware Manufacturing
3326 - Spring and Wire Product Manufacturing
33271 - Machine Shops
3327 - Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing
332721 - Precision Turned Product Manufacturing
332722 - Bolt, Nut, Screw, Rivet, and Washer Manufacturing
33272 - Turned Product and Screw, Nut, and Bolt Manufacturing
332811 - Metal Heat Treating
332812 - Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
332813 - Electroplating, Plating, Polishing, Anodizing, and Coloring
33281 - Coating, Engraving, Heat Treating, and Allied Activities
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
33291 - Metal Valve Manufacturing
332991 - Ball and Roller Bearing Manufacturing
332992 - Small Arms Ammunition Manufacturing
332993 - Ammunition (except Small Arms) Manufacturing
332994 - Small Arms, Ordnance, and Ordnance Accessories Manufacturing
332996 - Fabricated Pipe and Pipe Fitting Manufacturing
332999 - All Other Miscellaneous Fabricated Metal Product Manufacturing
33299 - All Other Fabricated Metal Product Manufacturing
333111 - Farm Machinery and Equipment Manufacturing
333112 - Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
33311 - Agricultural Implement Manufacturing
33312 - Construction Machinery Manufacturing
333131 - Mining Machinery and Equipment Manufacturing
333132 - Oil and Gas Field Machinery and Equipment Manufacturing
33313 - Mining and Oil and Gas Field Machinery Manufacturing
333241 - Food Product Machinery Manufacturing
333242 - Semiconductor Machinery Manufacturing
333243 - Sawmill, Woodworking, and Paper Machinery Manufacturing
333248 - All Other Industrial Machinery Manufacturing
33324 - Industrial Machinery Manufacturing
333413 - Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
333414 - Heating Equipment (except Warm Air Furnaces) Manufacturing
333415 - Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
33341 - Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
333511 - Industrial Mold Manufacturing
333514 - Special Die and Tool, Die Set, Jig, and Fixture Manufacturing
333515 - Cutting Tool and Machine Tool Accessory Manufacturing
333517 - Machine Tool Manufacturing
333519 - Rolling Mill and Other Metalworking Machinery Manufacturing
33351 - Metalworking Machinery 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
33361 - Engine, Turbine, and Power Transmission Equipment Manufacturing
333912 - Air and Gas Compressor Manufacturing
333914 - Measuring, Dispensing, and Other Pumping Equipment Manufacturing
33391 - Pump and Compressor 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
33392 - Material Handling Equipment 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
333998 - All Other Miscellaneous General Purpose Machinery Manufacturing
33399 - All Other General Purpose Machinery Manufacturing
334111 - Electronic Computer Manufacturing
334112 - Computer Storage Device Manufacturing
334118 - Computer Terminal and Other Computer Peripheral Equipment Manufacturing
33411 - Computer and Peripheral Equipment Manufacturing
33421 - Telephone Apparatus Manufacturing
33422 - Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
33429 - Other Communications Equipment Manufacturing
3342 - Communications Equipment Manufacturing
3343 - Audio and Video Equipment Manufacturing
334412 - Bare Printed Circuit Board Manufacturing
334413 - Semiconductor and Related Device Manufacturing
334416 - Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
334417 - Electronic Connector Manufacturing
334418 - Printed Circuit Assembly (Electronic Assembly) Manufacturing
334419 - Other Electronic Component Manufacturing
33441 - Semiconductor and Other Electronic Component 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
334519 - Other Measuring and Controlling Device Manufacturing
33451 - Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
335131 - Residential Electric Lighting Fixture Manufacturing
335132 - Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing
335139 - Electric Lamp Bulb and Other Lighting Equipment Manufacturing
33513 - Electric Lighting 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
33531 - Electrical Equipment Manufacturing
33591 - Battery Manufacturing
33592 - Communication and Energy Wire and Cable Manufacturing
3359 - Other Electrical Equipment and Component Manufacturing
335931 - Current-Carrying Wiring Device Manufacturing
335932 - Noncurrent-Carrying Wiring Device Manufacturing
33593 - Wiring Device Manufacturing
335991 - Carbon and Graphite Product Manufacturing
335999 - All Other Miscellaneous Electrical Equipment and Component Manufacturing
33599 - All Other Electrical Equipment and Component Manufacturing
33611 - Automobile and Light Duty Motor Vehicle Manufacturing
33612 - Heavy Duty Truck Manufacturing
3361 - Motor Vehicle Manufacturing
336211 - Motor Vehicle Body Manufacturing
336212 - Truck Trailer Manufacturing
336213 - Motor Home Manufacturing
336214 - Travel Trailer and Camper Manufacturing
33621 - Motor Vehicle Body and Trailer Manufacturing
33631 - Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
33632 - 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
3363 - Motor Vehicle 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
33641 - Aerospace Product and Parts Manufacturing
336991 - Motorcycle, Bicycle, and Parts Manufacturing
336992 - Military Armored Vehicle, Tank, and Tank Component Manufacturing
336999 - All Other Transportation Equipment Manufacturing
33699 - Other Transportation Equipment Manufacturing
33711 - Wood Kitchen Cabinet and Countertop Manufacturing
3371 - Household and Institutional Furniture and Kitchen Cabinet Manufacturing
337121 - Upholstered Household Furniture Manufacturing
337122 - Nonupholstered Wood Household Furniture Manufacturing
337126 - Household Furniture (except Wood and Upholstered) Manufacturing
337127 - Institutional Furniture Manufacturing
33712 - Household and Institutional Furniture 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
33721 - Office Furniture (including Fixtures) 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
33911 - Medical Equipment and Supplies Manufacturing
33991 - Jewelry and Silverware Manufacturing
33992 - Sporting and Athletic Goods Manufacturing
33993 - Doll, Toy, and Game Manufacturing
33994 - Office Supplies (except Paper) Manufacturing
33995 - Sign Manufacturing
3399 - 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
33999 - All Other Miscellaneous Manufacturing