NAICS Sector 31-33 – Manufacturing
All 274 NAICS codes in sector 31-33 with active federal contract opportunities.
31,122
Active Opportunities
0
Posted This Week
All Codes in This Group
- NAICS 336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing2,753 active
- NAICS 336412 – Aircraft Engine and Engine Parts Manufacturing1,017 active
- NAICS 336611 – Ship Building and Repairing995 active
- NAICS 334516 – Analytical Laboratory Instrument Manufacturing777 active
- NAICS 332510 – Hardware Manufacturing769 active
- NAICS 332911 – Industrial Valve Manufacturing643 active
- NAICS 332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing618 active
- NAICS 334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing605 active
- NAICS 332919 – Other Metal Valve and Pipe Fitting Manufacturing575 active
- NAICS 334419 – Other Electronic Component Manufacturing559 active
- NAICS 325412 – Pharmaceutical Preparation Manufacturing553 active
- NAICS 333998 – All Other Miscellaneous General Purpose Machinery Manufacturing511 active
- NAICS 339112 – Surgical and Medical Instrument Manufacturing486 active
- NAICS 332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing476 active
- NAICS 334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing462 active
- NAICS 339991 – Gasket, Packing, and Sealing Device Manufacturing459 active
- NAICS 334412 – Bare Printed Circuit Board Manufacturing452 active
- NAICS 339113 – Surgical Appliance and Supplies Manufacturing441 active
- NAICS 333310 – Commercial and Service Industry Machinery Manufacturing428 active
- NAICS 335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing380 active
- NAICS 333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing363 active
- NAICS 334417 – Electronic Connector Manufacturing356 active
- NAICS 335931 – Current-Carrying Wiring Device Manufacturing350 active
- NAICS 334111 – Electronic Computer Manufacturing343 active
- NAICS 335312 – Motor and Generator Manufacturing328 active
- NAICS 332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing323 active
- NAICS 333613 – Mechanical Power Transmission Equipment Manufacturing317 active
- NAICS 339999 – All Other Miscellaneous Manufacturing313 active
- NAICS 334519 – Other Measuring and Controlling Device Manufacturing311 active
- NAICS 334290 – Other Communications Equipment Manufacturing311 active
- NAICS 325920 – Explosives Manufacturing311 active
- NAICS 336390 – Other Motor Vehicle Parts Manufacturing301 active
- NAICS 333618 – Other Engine Equipment Manufacturing297 active
- NAICS 336411 – Aircraft Manufacturing280 active
- NAICS 332991 – Ball and Roller Bearing Manufacturing279 active
- NAICS 334310 – Audio and Video Equipment Manufacturing267 active
- NAICS 334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals263 active
- NAICS 332996 – Fabricated Pipe and Pipe Fitting Manufacturing261 active
- NAICS 333120 – Construction Machinery Manufacturing251 active
- NAICS 339920 – Sporting and Athletic Goods Manufacturing241 active
- NAICS 335311 – Power, Distribution, and Specialty Transformer Manufacturing240 active
- NAICS 334510 – Electromedical and Electrotherapeutic Apparatus Manufacturing239 active
- NAICS 333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing228 active
- NAICS 335314 – Relay and Industrial Control Manufacturing227 active
- NAICS 333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing224 active
- NAICS 337214 – Office Furniture (except Wood) Manufacturing219 active
- NAICS 334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables208 active
- NAICS 334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing190 active
- NAICS 332439 – Other Metal Container Manufacturing190 active
- NAICS 324110 – Petroleum Refineries185 active
- NAICS 311991 – Perishable Prepared Food Manufacturing185 active
- NAICS 335313 – Switchgear and Switchboard Apparatus Manufacturing185 active
- NAICS 333996 – Fluid Power Pump and Motor Manufacturing180 active
- NAICS 336110 – Automobile and Light Duty Motor Vehicle Manufacturing175 active
- NAICS 333912 – Air and Gas Compressor Manufacturing167 active
- NAICS 333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing160 active
- NAICS 336211 – Motor Vehicle Body Manufacturing160 active
- NAICS 326220 – Rubber and Plastics Hoses and Belting Manufacturing155 active
- NAICS 334413 – Semiconductor and Related Device Manufacturing148 active
- NAICS 333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing143 active
- NAICS 334418 – Printed Circuit Assembly (Electronic Assembly) Manufacturing142 active
- NAICS 336310 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing141 active
- NAICS 333612 – Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing134 active
- NAICS 336350 – Motor Vehicle Transmission and Power Train Parts Manufacturing130 active
- NAICS 332311 – Prefabricated Metal Building and Component Manufacturing129 active
- NAICS 335910 – Battery Manufacturing126 active
- NAICS 332710 – Machine Shops122 active
- NAICS 333517 – Machine Tool Manufacturing121 active
- NAICS 325120 – Industrial Gas Manufacturing119 active
- NAICS 325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing119 active
- NAICS 332912 – Fluid Power Valve and Hose Fitting Manufacturing114 active
- NAICS 333112 – Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing114 active
- NAICS 311999 – All Other Miscellaneous Food Manufacturing114 active
- NAICS 336320 – Motor Vehicle Electrical and Electronic Equipment Manufacturing113 active
- NAICS 332216 – Saw Blade and Handtool Manufacturing113 active
- NAICS 336999 – All Other Transportation Equipment Manufacturing108 active
- NAICS 339950 – Sign Manufacturing97 active
- NAICS 333248 – All Other Industrial Machinery Manufacturing97 active
- NAICS 333922 – Conveyor and Conveying Equipment Manufacturing92 active
- NAICS 332312 – Fabricated Structural Metal Manufacturing91 active
- NAICS 336212 – Truck Trailer Manufacturing90 active
- NAICS 333241 – Food Product Machinery Manufacturing89 active
- NAICS 337127 – Institutional Furniture Manufacturing87 active
- NAICS 332618 – Other Fabricated Wire Product Manufacturing86 active
- NAICS 336612 – Boat Building83 active
- NAICS 336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing80 active
- NAICS 337215 – Showcase, Partition, Shelving, and Locker Manufacturing79 active
- NAICS 339114 – Dental Equipment and Supplies Manufacturing78 active
- NAICS 315990 – Apparel Accessories and Other Apparel Manufacturing76 active
- NAICS 339940 – Office Supplies (except Paper) Manufacturing75 active
- NAICS 333611 – Turbine and Turbine Generator Set Units Manufacturing74 active
- NAICS 333992 – Welding and Soldering Equipment Manufacturing72 active
- NAICS 332993 – Ammunition (except Small Arms) Manufacturing72 active
- NAICS 334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use71 active
- NAICS 334514 – Totalizing Fluid Meter and Counting Device Manufacturing71 active
- NAICS 336360 – Motor Vehicle Seating and Interior Trim Manufacturing68 active
- NAICS 334118 – Computer Terminal and Other Computer Peripheral Equipment Manufacturing68 active
- NAICS 333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing67 active
- NAICS 326299 – All Other Rubber Product Manufacturing67 active
- NAICS 326199 – All Other Plastics Product Manufacturing66 active
- NAICS 335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing63 active
- NAICS 325611 – Soap and Other Detergent Manufacturing61 active
- NAICS 334517 – Irradiation Apparatus Manufacturing60 active
- NAICS 332613 – Spring Manufacturing60 active
- NAICS 332321 – Metal Window and Door Manufacturing58 active
- NAICS 335929 – Other Communication and Energy Wire Manufacturing55 active
- NAICS 336419 – Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing55 active
- NAICS 333111 – Farm Machinery and Equipment Manufacturing55 active
- NAICS 336330 – Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing55 active
- NAICS 332410 – Power Boiler and Heat Exchanger Manufacturing54 active
- NAICS 326122 – Plastics Pipe and Pipe Fitting Manufacturing53 active
- NAICS 335220 – Major Household Appliance Manufacturing51 active
- NAICS 331210 – Iron and Steel Pipe and Tube Manufacturing from Purchased Steel49 active
- NAICS 314999 – All Other Miscellaneous Textile Product Mills49 active
- NAICS 337211 – Wood Office Furniture Manufacturing49 active
- NAICS 326211 – Tire Manufacturing (except Retreading)48 active
- NAICS 325510 – Paint and Coating Manufacturing48 active
- NAICS 336414 – Guided Missile and Space Vehicle Manufacturing47 active
- NAICS 336120 – Heavy Duty Truck Manufacturing46 active
- NAICS 325413 – In-Vitro Diagnostic Substance Manufacturing46 active
- NAICS 325180 – Other Basic Inorganic Chemical Manufacturing44 active
- NAICS 332112 – Nonferrous Forging44 active
- NAICS 333995 – Fluid Power Cylinder and Actuator Manufacturing44 active
- NAICS 333991 – Power-Driven Handtool Manufacturing43 active
- NAICS 325320 – Pesticide and Other Agricultural Chemical Manufacturing42 active
- NAICS 315210 – Cut and Sew Apparel Contractors41 active
- NAICS 314994 – Rope, Cordage, Twine, Tire Cord, and Tire Fabric Mills40 active
- NAICS 339992 – Musical Instrument Manufacturing40 active
- NAICS 332420 – Metal Tank (Heavy Gauge) Manufacturing39 active
- NAICS 335132 – Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing39 active
- NAICS 334112 – Computer Storage Device Manufacturing39 active
- NAICS 335932 – Noncurrent-Carrying Wiring Device Manufacturing38 active
- NAICS 332913 – Plumbing Fixture Fitting and Trim Manufacturing37 active
- NAICS 325211 – Plastics Material and Resin Manufacturing37 active
- NAICS 331420 – Copper Rolling, Drawing, Extruding, and Alloying36 active
- NAICS 325199 – All Other Basic Organic Chemical Manufacturing36 active
- NAICS 332215 – Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing35 active
- NAICS 336340 – Motor Vehicle Brake System Manufacturing35 active
- NAICS 327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing34 active
- NAICS 336415 – Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing33 active
- NAICS 331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding33 active
- NAICS 321920 – Wood Container and Pallet Manufacturing32 active
- NAICS 334210 – Telephone Apparatus Manufacturing31 active
- NAICS 332119 – Metal Crown, Closure, and Other Metal Stamping (except Automotive)31 active
- NAICS 324191 – Petroleum Lubricating Oil and Grease Manufacturing31 active
- NAICS 336510 – Railroad Rolling Stock Manufacturing31 active
- NAICS 333994 – Industrial Process Furnace and Oven Manufacturing31 active
- NAICS 325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing29 active
- NAICS 332992 – Small Arms Ammunition Manufacturing28 active
- NAICS 332721 – Precision Turned Product Manufacturing27 active
- NAICS 331221 – Rolled Steel Shape Manufacturing25 active
- NAICS 314910 – Textile Bag and Canvas Mills24 active
- NAICS 337121 – Upholstered Household Furniture Manufacturing24 active
- NAICS 323111 – Commercial Printing (except Screen and Books)24 active
- NAICS 333515 – Cutting Tool and Machine Tool Accessory Manufacturing23 active
- NAICS 339115 – Ophthalmic Goods Manufacturing23 active
- NAICS 316210 – Footwear Manufacturing23 active
- NAICS 335210 – Small Electrical Appliance Manufacturing22 active
- NAICS 333921 – Elevator and Moving Stairway Manufacturing22 active
- NAICS 331318 – Other Aluminum Rolling, Drawing, and Extruding22 active
- NAICS 325612 – Polish and Other Sanitation Good Manufacturing22 active
- NAICS 315250 – Cut and Sew Apparel Manufacturing (except Contractors)22 active
- NAICS 332323 – Ornamental and Architectural Metal Work Manufacturing21 active
- NAICS 335921 – Fiber Optic Cable Manufacturing21 active
- NAICS 314110 – Carpet and Rug Mills20 active
- NAICS 331110 – Iron and Steel Mills and Ferroalloy Manufacturing19 active
- NAICS 314120 – Curtain and Linen Mills19 active
- NAICS 327991 – Cut Stone and Stone Product Manufacturing18 active
- NAICS 332313 – Plate Work Manufacturing18 active
- NAICS 333519 – Rolling Mill and Other Metalworking Machinery Manufacturing17 active
- NAICS 332322 – Sheet Metal Work Manufacturing17 active
- NAICS 336991 – Motorcycle, Bicycle, and Parts Manufacturing17 active
- NAICS 311612 – Meat Processed from Carcasses17 active
- NAICS 311812 – Commercial Bakeries17 active
- NAICS 337920 – Blind and Shade Manufacturing16 active
- NAICS 321991 – Manufactured Home (Mobile Home) Manufacturing16 active
- NAICS 313310 – Textile and Fabric Finishing Mills16 active
- NAICS 339930 – Doll, Toy, and Game Manufacturing16 active
- NAICS 335131 – Residential Electric Lighting Fixture Manufacturing15 active
- NAICS 327910 – Abrasive Product Manufacturing14 active
- NAICS 313320 – Fabric Coating Mills13 active
- NAICS 311511 – Fluid Milk Manufacturing13 active
- NAICS 336214 – Travel Trailer and Camper Manufacturing13 active
- NAICS 337910 – Mattress Manufacturing13 active
- NAICS 335991 – Carbon and Graphite Product Manufacturing12 active
- NAICS 322211 – Corrugated and Solid Fiber Box Manufacturing12 active
- NAICS 339994 – Broom, Brush, and Mop Manufacturing12 active
- NAICS 333243 – Sawmill, Woodworking, and Paper Machinery Manufacturing12 active
- NAICS 327390 – Other Concrete Product Manufacturing12 active
- NAICS 327212 – Other Pressed and Blown Glass and Glassware Manufacturing12 active
- NAICS 333318 – Other Commercial and Service Industry Machinery Manufacturing12 active
- NAICS 321113 – Sawmills12 active
- NAICS 323117 – Books Printing11 active
- NAICS 321999 – All Other Miscellaneous Wood Product Manufacturing11 active
- NAICS 321918 – Other Millwork (including Flooring)11 active
- NAICS 322219 – Other Paperboard Container Manufacturing11 active
- NAICS 325520 – Adhesive Manufacturing11 active
- NAICS 332111 – Iron and Steel Forging11 active
- NAICS 331315 – Aluminum Sheet, Plate, and Foil Manufacturing11 active
- NAICS 322291 – Sanitary Paper Product Manufacturing11 active
- NAICS 326150 – Urethane and Other Foam Product (except Polystyrene) Manufacturing10 active
- NAICS 322220 – Paper Bag and Coated and Treated Paper Manufacturing10 active
- NAICS 325414 – Biological Product (except Diagnostic) Manufacturing10 active
- NAICS 326111 – Plastics Bag and Pouch Manufacturing10 active
- NAICS 337126 – Household Furniture (except Wood and Upholstered) Manufacturing10 active
- NAICS 311423 – Dried and Dehydrated Food Manufacturing10 active
- NAICS 321912 – Cut Stock, Resawing Lumber, and Planing10 active
- NAICS 332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers9 active
- NAICS 324199 – All Other Petroleum and Coal Products Manufacturing9 active
- NAICS 324121 – Asphalt Paving Mixture and Block Manufacturing9 active
- NAICS 326112 – Plastics Packaging Film and Sheet (including Laminated) Manufacturing9 active
- NAICS 313210 – Broadwoven Fabric Mills9 active
- NAICS 326130 – Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing9 active
- NAICS 336111 – Automobile Manufacturing9 active
- NAICS 326291 – Rubber Product Manufacturing for Mechanical Use9 active
- NAICS 326140 – Polystyrene Foam Product Manufacturing9 active
- NAICS 327215 – Glass Product Manufacturing Made of Purchased Glass8 active
- NAICS 321215 – Engineered Wood Member Manufacturing8 active
- NAICS 332813 – Electroplating, Plating, Polishing, Anodizing, and Coloring8 active
- NAICS 311615 – Poultry Processing8 active
- NAICS 327310 – Cement Manufacturing8 active
- NAICS 333993 – Packaging Machinery Manufacturing8 active
- NAICS 337122 – Nonupholstered Wood Household Furniture Manufacturing8 active
- NAICS 311421 – Fruit and Vegetable Canning8 active
- NAICS 315220 – Men's and Boys' Cut and Sew Apparel Manufacturing8 active
- NAICS 321992 – Prefabricated Wood Building Manufacturing8 active
- NAICS 322230 – Stationery Product Manufacturing7 active
- NAICS 323113 – Commercial Screen Printing7 active
- NAICS 325314 – Fertilizer (Mixing Only) Manufacturing7 active
- NAICS 327320 – Ready-Mix Concrete Manufacturing7 active
- NAICS 333514 – Special Die and Tool, Die Set, Jig, and Fixture Manufacturing7 active
- NAICS 336370 – Motor Vehicle Metal Stamping7 active
- NAICS 326113 – Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing7 active
- NAICS 325212 – Synthetic Rubber Manufacturing6 active
- NAICS 311111 – Dog and Cat Food Manufacturing6 active
- NAICS 312112 – Bottled Water Manufacturing6 active
- NAICS 325411 – Medicinal and Botanical Manufacturing6 active
- NAICS 311613 – Rendering and Meat Byproduct Processing6 active
- NAICS 339993 – Fastener, Button, Needle, and Pin Manufacturing6 active
- NAICS 311911 – Roasted Nuts and Peanut Butter Manufacturing6 active
- NAICS 327993 – Mineral Wool Manufacturing6 active
- NAICS 333242 – Semiconductor Machinery Manufacturing6 active
- NAICS 335122 – Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing5 active
- NAICS 331529 – Other Nonferrous Metal Foundries (except Die-Casting)5 active
- NAICS 325620 – Toilet Preparation Manufacturing5 active
- NAICS 313230 – Nonwoven Fabric Mills5 active
- NAICS 336112 – Light Truck and Utility Vehicle Manufacturing5 active
- NAICS 322299 – All Other Converted Paper Product Manufacturing5 active
- NAICS 327331 – Concrete Block and Brick Manufacturing5 active
- NAICS 332117 – Powder Metallurgy Part Manufacturing5 active
- NAICS 331222 – Steel Wire Drawing5 active
- NAICS 321114 – Wood Preservation5 active
- NAICS 312113 – Ice Manufacturing5 active
- NAICS 333314 – Optical Instrument and Lens Manufacturing5 active
- NAICS 333316 – Photographic and Photocopying Equipment Manufacturing5 active
- NAICS 331492 – Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)4 active
- NAICS 327992 – Ground or Treated Mineral and Earth Manufacturing4 active
- NAICS 311411 – Frozen Fruit, Juice, and Vegetable Manufacturing4 active
- NAICS 326191 – Plastics Plumbing Fixture Manufacturing4 active
- NAICS 325110 – Petrochemical Manufacturing4 active
- NAICS 337212 – Custom Architectural Woodwork and Millwork Manufacturing4 active
- NAICS 331512 – Steel Investment Foundries4 active
- NAICS 333131 – Mining Machinery and Equipment Manufacturing4 active
- NAICS 315120 – Apparel Knitting Mills4 active
- NAICS 326121 – Unlaminated Plastics Profile Shape Manufacturing4 active
- NAICS 333132 – Oil and Gas Field Machinery and Equipment Manufacturing3 active
- NAICS 311710 – Seafood Product Preparation and Packaging3 active
- NAICS 335121 – Residential Electric Lighting Fixture Manufacturing3 active
- NAICS 323120 – Support Activities for Printing3 active
- NAICS 333249 – Other Industrial Machinery Manufacturing3 active
- NAICS 325991 – Custom Compounding of Purchased Resins3 active
- NAICS 331313 – Alumina Refining and Primary Aluminum Production3 active
- NAICS 322120 – Paper Mills3 active
- NAICS 331523 – Nonferrous Metal Die-Casting Foundries3 active
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Search on GovTrove →Data sourced from SAM.gov. Updated daily. Last updated: August 8, 2026.