NAICS Sector 31

Manufacturing NAICS Codes

346 NAICS codes in this sector (311111 to 339999)

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All Manufacturing NAICS Codes

NAICS Code Title SBA Size Standard
311111 Dog and Cat Food Manufacturing 1,250 employees
311119 Other Animal Food Manufacturing 650 employees
311211 Flour Milling 1,050 employees
311212 Rice Milling 750 employees
311213 Malt Manufacturing 500 employees
311221 Wet Corn Milling and Starch Manufacturing 1,300 employees
311224 Soybean and Other Oilseed Processing 1,250 employees
311225 Fats and Oils Refining and Blending 1,100 employees
311230 Breakfast Cereal Manufacturing 1,300 employees
311313 Beet Sugar Manufacturing 1,150 employees
311314 Cane Sugar Manufacturing 1,050 employees
311340 Nonchocolate Confectionery Manufacturing 1,000 employees
311351 Chocolate and Confectionery Manufacturing from Cacao Beans 1,250 employees
311352 Confectionery Manufacturing from Purchased Chocolate 1,000 employees
311411 Frozen Fruit, Juice, and Vegetable Manufacturing 1,100 employees
311412 Frozen Specialty Food Manufacturing 1,250 employees
311421 Fruit and Vegetable Canning 1,000 employees
311422 Specialty Canning 1,400 employees
311423 Dried and Dehydrated Food Manufacturing 750 employees
311511 Fluid Milk Manufacturing 1,150 employees
311512 Creamery Butter Manufacturing 750 employees
311513 Cheese Manufacturing 1,250 employees
311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing 1,000 employees
311520 Ice Cream and Frozen Dessert Manufacturing 1,000 employees
311611 Animal (except Poultry) Slaughtering 1,150 employees
311612 Meat Processed from Carcasses 1,000 employees
311613 Rendering and Meat Byproduct Processing 750 employees
311615 Poultry Processing 1,250 employees
311710 Seafood Product Preparation and Packaging 750 employees
311811 Retail Bakeries 500 employees
311812 Commercial Bakeries 1,000 employees
311813 Frozen Cakes, Pies, and Other Pastries Manufacturing 750 employees
311821 Cookie and Cracker Manufacturing 1,250 employees
311824 Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour 850 employees
311830 Tortilla Manufacturing 1,250 employees
311911 Roasted Nuts and Peanut Butter Manufacturing 750 employees
311919 Other Snack Food Manufacturing 1,250 employees
311920 Coffee and Tea Manufacturing 1,000 employees
311930 Flavoring Syrup and Concentrate Manufacturing 1,100 employees
311941 Mayonnaise, Dressing, and Other Prepared Sauce Manufacturing 850 employees
311942 Spice and Extract Manufacturing 650 employees
311991 Perishable Prepared Food Manufacturing 700 employees
311999 All Other Miscellaneous Food Manufacturing 700 employees
312111 Soft Drink Manufacturing 1,400 employees
312112 Bottled Water Manufacturing 1,100 employees
312113 Ice Manufacturing 750 employees
312120 Breweries 1,250 employees
312130 Wineries 1,000 employees
312140 Distilleries 1,100 employees
312230 Tobacco Manufacturing 1,500 employees
313110 Fiber, Yarn, and Thread Mills 1,250 employees
313210 Broadwoven Fabric Mills 1,000 employees
313220 Narrow Fabric Mills and Schiffli Machine Embroidery 550 employees
313230 Nonwoven Fabric Mills 850 employees
313240 Knit Fabric Mills 500 employees
313310 Textile and Fabric Finishing Mills 1,000 employees
313320 Fabric Coating Mills 1,000 employees
314110 Carpet and Rug Mills 1,500 employees
314120 Curtain and Linen Mills 750 employees
314910 Textile Bag and Canvas Mills 500 employees
314994 Rope, Cordage, Twine, Tire Cord, and Tire Fabric Mills 1,000 employees
314999 All Other Miscellaneous Textile Product Mills 550 employees
315120 Apparel Knitting Mills 850 employees
315210 Cut and Sew Apparel Contractors 750 employees
315250 Cut and Sew Apparel Manufacturing (except Contractors) 750 employees
315990 Apparel Accessories and Other Apparel Manufacturing 600 employees
316110 Leather and Hide Tanning and Finishing 800 employees
316210 Footwear Manufacturing 1,000 employees
316990 Other Leather and Allied Product Manufacturing 500 employees
321113 Sawmills 550 employees
321114 Wood Preservation 550 employees
321211 Hardwood Veneer and Plywood Manufacturing 600 employees
321212 Softwood Veneer and Plywood Manufacturing 1,250 employees
321215 Engineered Wood Member Manufacturing 500 employees
321219 Reconstituted Wood Product Manufacturing 750 employees
321911 Wood Window and Door Manufacturing 1,000 employees
321912 Cut Stock, Resawing Lumber, and Planing 500 employees
321918 Other Millwork (including Flooring) 500 employees
321920 Wood Container and Pallet Manufacturing 500 employees
321991 Manufactured Home (Mobile Home) Manufacturing 1,250 employees
321992 Prefabricated Wood Building Manufacturing 500 employees
321999 All Other Miscellaneous Wood Product Manufacturing 500 employees
322110 Pulp Mills 1,050 employees
322120 Paper Mills 1,250 employees
322130 Paperboard Mills 1,250 employees
322211 Corrugated and Solid Fiber Box Manufacturing 1,250 employees
322212 Folding Paperboard Box Manufacturing 750 employees
322219 Other Paperboard Container Manufacturing 1,000 employees
322220 Paper Bag and Coated and Treated Paper Manufacturing 750 employees
322230 Stationery Product Manufacturing 750 employees
322291 Sanitary Paper Product Manufacturing 1,500 employees
322299 All Other Converted Paper Product Manufacturing 500 employees
323111 Commercial Printing (except Screen and Books) 650 employees
323113 Commercial Screen Printing 500 employees
323117 Books Printing 1,250 employees
323120 Support Activities for Printing 550 employees
324110 Petroleum Refineries 1,500 employees
324121 Asphalt Paving Mixture and Block Manufacturing 500 employees
324122 Asphalt Shingle and Coating Materials Manufacturing 1,100 employees
324191 Petroleum Lubricating Oil and Grease Manufacturing 900 employees
324199 All Other Petroleum and Coal Products Manufacturing 950 employees
325110 Petrochemical Manufacturing 1,300 employees
325120 Industrial Gas Manufacturing 1,200 employees
325130 Synthetic Dye and Pigment Manufacturing 1,050 employees
325180 Other Basic Inorganic Chemical Manufacturing 1,000 employees
325193 Ethyl Alcohol Manufacturing 1,000 employees
325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing 1,250 employees
325199 All Other Basic Organic Chemical Manufacturing 1,250 employees
325211 Plastics Material and Resin Manufacturing 1,250 employees
325212 Synthetic Rubber Manufacturing 1,000 employees
325220 Artificial and Synthetic Fibers and Filaments Manufacturing 1,050 employees
325311 Nitrogenous Fertilizer Manufacturing 1,050 employees
325312 Phosphatic Fertilizer Manufacturing 1,350 employees
325314 Fertilizer (Mixing Only) Manufacturing 550 employees
325315 Compost Manufacturing 550 employees
325320 Pesticide and Other Agricultural Chemical Manufacturing 1,150 employees
325411 Medicinal and Botanical Manufacturing 1,000 employees
325412 Pharmaceutical Preparation Manufacturing 1,300 employees
325413 In-Vitro Diagnostic Substance Manufacturing 1,250 employees
325414 Biological Product (except Diagnostic) Manufacturing 1,250 employees
325510 Paint and Coating Manufacturing 1,000 employees
325520 Adhesive Manufacturing 550 employees
325611 Soap and Other Detergent Manufacturing 1,100 employees
325612 Polish and Other Sanitation Good Manufacturing 900 employees
325613 Surface Active Agent Manufacturing 1,100 employees
325620 Toilet Preparation Manufacturing 1,250 employees
325910 Printing Ink Manufacturing 750 employees
325920 Explosives Manufacturing 750 employees
325991 Custom Compounding of Purchased Resins 600 employees
325992 Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing 1,500 employees
325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing 650 employees
326111 Plastics Bag and Pouch Manufacturing 750 employees
326112 Plastics Packaging Film and Sheet (including Laminated) Manufacturing 1,000 employees
326113 Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing 750 employees
326121 Unlaminated Plastics Profile Shape Manufacturing 600 employees
326122 Plastics Pipe and Pipe Fitting Manufacturing 750 employees
326130 Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing 650 employees
326140 Polystyrene Foam Product Manufacturing 1,000 employees
326150 Urethane and Other Foam Product (except Polystyrene) Manufacturing 750 employees
326160 Plastics Bottle Manufacturing 1,250 employees
326191 Plastics Plumbing Fixture Manufacturing 750 employees
326199 All Other Plastics Product Manufacturing 750 employees
326211 Tire Manufacturing (except Retreading) 1,500 employees
326212 Tire Retreading 500 employees
326220 Rubber and Plastics Hoses and Belting Manufacturing 800 employees
326291 Rubber Product Manufacturing for Mechanical Use 750 employees
326299 All Other Rubber Product Manufacturing 650 employees
327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing 1,000 employees
327120 Clay Building Material and Refractories Manufacturing 750 employees
327211 Flat Glass Manufacturing 1,100 employees
327212 Other Pressed and Blown Glass and Glassware Manufacturing 1,250 employees
327213 Glass Container Manufacturing 1,250 employees
327215 Glass Product Manufacturing Made of Purchased Glass 1,000 employees
327310 Cement Manufacturing 1,000 employees
327320 Ready-Mix Concrete Manufacturing 500 employees
327331 Concrete Block and Brick Manufacturing 500 employees
327332 Concrete Pipe Manufacturing 750 employees
327390 Other Concrete Product Manufacturing 500 employees
327410 Lime Manufacturing 1,050 employees
327420 Gypsum Product Manufacturing 1,500 employees
327910 Abrasive Product Manufacturing 900 employees
327991 Cut Stone and Stone Product Manufacturing 500 employees
327992 Ground or Treated Mineral and Earth Manufacturing 600 employees
327993 Mineral Wool Manufacturing 1,500 employees
327999 All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 750 employees
331110 Iron and Steel Mills and Ferroalloy Manufacturing 1,500 employees
331210 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 1,000 employees
331221 Rolled Steel Shape Manufacturing 1,000 employees
331222 Steel Wire Drawing 1,000 employees
331313 Alumina Refining and Primary Aluminum Production 1,300 employees
331314 Secondary Smelting and Alloying of Aluminum 750 employees
331315 Aluminum Sheet, Plate, and Foil Manufacturing 1,400 employees
331318 Other Aluminum Rolling, Drawing, and Extruding 750 employees
331410 Nonferrous Metal (except Aluminum) Smelting and Refining 1,000 employees
331420 Copper Rolling, Drawing, Extruding, and Alloying 1,050 employees
331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding 900 employees
331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) 850 employees
331511 Iron Foundries 1,000 employees
331512 Steel Investment Foundries 1,050 employees
331513 Steel Foundries (except Investment) 700 employees
331523 Nonferrous Metal Die-Casting Foundries 700 employees
331524 Aluminum Foundries (except Die-Casting) 550 employees
331529 Other Nonferrous Metal Foundries (except Die-Casting) 500 employees
332111 Iron and Steel Forging 750 employees
332112 Nonferrous Forging 950 employees
332114 Custom Roll Forming 600 employees
332117 Powder Metallurgy Part Manufacturing 550 employees
332119 Metal Crown, Closure, and Other Metal Stamping (except Automotive) 500 employees
332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing 1,000 employees
332216 Saw Blade and Handtool Manufacturing 750 employees
332311 Prefabricated Metal Building and Component Manufacturing 750 employees
332312 Fabricated Structural Metal Manufacturing 500 employees
332313 Plate Work Manufacturing 750 employees
332321 Metal Window and Door Manufacturing 750 employees
332322 Sheet Metal Work Manufacturing 500 employees
332323 Ornamental and Architectural Metal Work Manufacturing 500 employees
332410 Power Boiler and Heat Exchanger Manufacturing 750 employees
332420 Metal Tank (Heavy Gauge) Manufacturing 750 employees
332431 Metal Can Manufacturing 1,500 employees
332439 Other Metal Container Manufacturing 600 employees
332510 Hardware Manufacturing 750 employees
332613 Spring Manufacturing 600 employees
332618 Other Fabricated Wire Product Manufacturing 500 employees
332710 Machine Shops 500 employees
332721 Precision Turned Product Manufacturing 500 employees
332722 Bolt, Nut, Screw, Rivet, and Washer Manufacturing 600 employees
332811 Metal Heat Treating 750 employees
332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 600 employees
332813 Electroplating, Plating, Polishing, Anodizing, and Coloring 500 employees
332911 Industrial Valve Manufacturing 750 employees
332912 Fluid Power Valve and Hose Fitting Manufacturing 1,000 employees
332913 Plumbing Fixture Fitting and Trim Manufacturing 1,000 employees
332919 Other Metal Valve and Pipe Fitting Manufacturing 750 employees
332991 Ball and Roller Bearing Manufacturing 1,250 employees
332992 Small Arms Ammunition Manufacturing 1,300 employees
332993 Ammunition (except Small Arms) Manufacturing 1,500 employees
332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing 1,000 employees
332996 Fabricated Pipe and Pipe Fitting Manufacturing 550 employees
332999 All Other Miscellaneous Fabricated Metal Product Manufacturing 750 employees
333111 Farm Machinery and Equipment Manufacturing 1,250 employees
333112 Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing 1,500 employees
333120 Construction Machinery Manufacturing 1,250 employees
333131 Mining Machinery and Equipment Manufacturing 900 employees
333132 Oil and Gas Field Machinery and Equipment Manufacturing 1,250 employees
333241 Food Product Machinery Manufacturing 500 employees
333242 Semiconductor Machinery Manufacturing 1,500 employees
333243 Sawmill, Woodworking, and Paper Machinery Manufacturing 550 employees
333248 All Other Industrial Machinery Manufacturing 750 employees
333310 Commercial and Service Industry Machinery Manufacturing 1,000 employees
333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing 500 employees
333414 Heating Equipment (except Warm Air Furnaces) Manufacturing 500 employees
333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 1,250 employees
333511 Industrial Mold Manufacturing 500 employees
333514 Special Die and Tool, Die Set, Jig, and Fixture Manufacturing 500 employees
333515 Cutting Tool and Machine Tool Accessory Manufacturing 500 employees
333517 Machine Tool Manufacturing 500 employees
333519 Rolling Mill and Other Metalworking Machinery Manufacturing 500 employees
333611 Turbine and Turbine Generator Set Units Manufacturing 1,500 employees
333612 Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing 750 employees
333613 Mechanical Power Transmission Equipment Manufacturing 750 employees
333618 Other Engine Equipment Manufacturing 1,500 employees
333912 Air and Gas Compressor Manufacturing 1,000 employees
333914 Measuring, Dispensing, and Other Pumping Equipment Manufacturing 750 employees
333921 Elevator and Moving Stairway Manufacturing 1,000 employees
333922 Conveyor and Conveying Equipment Manufacturing 500 employees
333923 Overhead Traveling Crane, Hoist, and Monorail System Manufacturing 1,250 employees
333924 Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing 900 employees
333991 Power-Driven Handtool Manufacturing 950 employees
333992 Welding and Soldering Equipment Manufacturing 1,250 employees
333993 Packaging Machinery Manufacturing 600 employees
333994 Industrial Process Furnace and Oven Manufacturing 500 employees
333995 Fluid Power Cylinder and Actuator Manufacturing 800 employees
333996 Fluid Power Pump and Motor Manufacturing 1,250 employees
333998 All Other Miscellaneous General Purpose Machinery Manufacturing 700 employees
334111 Electronic Computer Manufacturing 1,250 employees
334112 Computer Storage Device Manufacturing 1,250 employees
334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing 1,000 employees
334210 Telephone Apparatus Manufacturing 1,250 employees
334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 1,250 employees
334290 Other Communications Equipment Manufacturing 800 employees
334310 Audio and Video Equipment Manufacturing 750 employees
334412 Bare Printed Circuit Board Manufacturing 750 employees
334413 Semiconductor and Related Device Manufacturing 1,250 employees
334416 Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 550 employees
334417 Electronic Connector Manufacturing 1,000 employees
334418 Printed Circuit Assembly (Electronic Assembly) Manufacturing 750 employees
334419 Other Electronic Component Manufacturing 750 employees
334510 Electromedical and Electrotherapeutic Apparatus Manufacturing 1,250 employees
334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 1,350 employees
334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use 650 employees
334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 750 employees
334514 Totalizing Fluid Meter and Counting Device Manufacturing 850 employees
334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 750 employees
334516 Analytical Laboratory Instrument Manufacturing 1,000 employees
334517 Irradiation Apparatus Manufacturing 1,200 employees
334519 Other Measuring and Controlling Device Manufacturing 600 employees
334610 Manufacturing and Reproducing Magnetic and Optical Media 1,250 employees
335131 Residential Electric Lighting Fixture Manufacturing 750 employees
335132 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing 600 employees
335139 Electric Lamp Bulb and Other Lighting Equipment Manufacturing 1,250 employees
335210 Small Electrical Appliance Manufacturing 1,500 employees
335220 Major Household Appliance Manufacturing 1,500 employees
335311 Power, Distribution, and Specialty Transformer Manufacturing 800 employees
335312 Motor and Generator Manufacturing 1,250 employees
335313 Switchgear and Switchboard Apparatus Manufacturing 1,250 employees
335314 Relay and Industrial Control Manufacturing 750 employees
335910 Battery Manufacturing 1,250 employees
335921 Fiber Optic Cable Manufacturing 1,000 employees
335929 Other Communication and Energy Wire Manufacturing 1,000 employees
335931 Current-Carrying Wiring Device Manufacturing 600 employees
335932 Noncurrent-Carrying Wiring Device Manufacturing 1,000 employees
335991 Carbon and Graphite Product Manufacturing 900 employees
335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing 600 employees
336110 Automobile and Light Duty Motor Vehicle Manufacturing 1,500 employees
336120 Heavy Duty Truck Manufacturing 1,500 employees
336211 Motor Vehicle Body Manufacturing 1,000 employees
336212 Truck Trailer Manufacturing 1,000 employees
336213 Motor Home Manufacturing 1,250 employees
336214 Travel Trailer and Camper Manufacturing 1,000 employees
336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing 1,050 employees
336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing 1,000 employees
336330 Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing 1,000 employees
336340 Motor Vehicle Brake System Manufacturing 1,250 employees
336350 Motor Vehicle Transmission and Power Train Parts Manufacturing 1,500 employees
336360 Motor Vehicle Seating and Interior Trim Manufacturing 1,500 employees
336370 Motor Vehicle Metal Stamping 1,000 employees
336390 Other Motor Vehicle Parts Manufacturing 1,000 employees
336411 Aircraft Manufacturing 1,500 employees
336412 Aircraft Engine and Engine Parts Manufacturing 1,500 employees
336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing 1,250 employees
336414 Guided Missile and Space Vehicle Manufacturing 1,300 employees
336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing 1,250 employees
336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing 1,050 employees
336510 Railroad Rolling Stock Manufacturing 1,500 employees
336611 Ship Building and Repairing 1,300 employees
336612 Boat Building 1,000 employees
336991 Motorcycle, Bicycle, and Parts Manufacturing 1,050 employees
336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing 1,500 employees
336999 All Other Transportation Equipment Manufacturing 1,000 employees
337110 Wood Kitchen Cabinet and Countertop Manufacturing 750 employees
337121 Upholstered Household Furniture Manufacturing 1,000 employees
337122 Nonupholstered Wood Household Furniture Manufacturing 750 employees
337126 Household Furniture (except Wood and Upholstered) Manufacturing 950 employees
337127 Institutional Furniture Manufacturing 500 employees
337211 Wood Office Furniture Manufacturing 1,000 employees
337212 Custom Architectural Woodwork and Millwork Manufacturing 500 employees
337214 Office Furniture (except Wood) Manufacturing 1,100 employees
337215 Showcase, Partition, Shelving, and Locker Manufacturing 500 employees
337910 Mattress Manufacturing 1,000 employees
337920 Blind and Shade Manufacturing 1,000 employees
339112 Surgical and Medical Instrument Manufacturing 1,000 employees
339113 Surgical Appliance and Supplies Manufacturing 800 employees
339114 Dental Equipment and Supplies Manufacturing 750 employees
339115 Ophthalmic Goods Manufacturing 1,000 employees
339116 Dental Laboratories 500 employees
339910 Jewelry and Silverware Manufacturing 700 employees
339920 Sporting and Athletic Goods Manufacturing 750 employees
339930 Doll, Toy, and Game Manufacturing 700 employees
339940 Office Supplies (except Paper) Manufacturing 750 employees
339950 Sign Manufacturing 500 employees
339991 Gasket, Packing, and Sealing Device Manufacturing 600 employees
339992 Musical Instrument Manufacturing 1,000 employees
339993 Fastener, Button, Needle, and Pin Manufacturing 750 employees
339994 Broom, Brush, and Mop Manufacturing 750 employees
339995 Burial Casket Manufacturing 1,000 employees
339999 All Other Miscellaneous Manufacturing 550 employees

About Manufacturing Federal Contracting

The Manufacturing sector (NAICS Sector 31) encompasses 346 individual NAICS codes covering a wide range of business activities. Federal agencies contract extensively within this sector, creating opportunities for small businesses that hold the correct NAICS codes and meet the associated SBA small business size standards.

When registering in SAM.gov, selecting the appropriate NAICS codes from the Manufacturing sector is essential for appearing in contracting officer searches and qualifying for set-aside programs. Each code within this sector has its own SBA size standard — either revenue-based or employee-based — that determines whether your business qualifies as "small" for contracts solicited under that specific code.

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