NAICS 332321 - Metal Window and Door Manufacturing

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What is NAICS 332321

NAICS code 332321 covers establishments primarily engaged in manufacturing metal framed windows and metal doors. These businesses typically produce metal door frames, metal framed window and door screens, and metal molding and trim, excluding automotive applications. The industry plays a crucial role in providing durable, secure, and energy-efficient building components used in a wide range of construction and renovation projects. Companies operating in this sector vary from small specialized manufacturers to larger firms equipped with advanced fabrication technologies. Government agencies contract for these products to meet the rigorous standards required for public buildings, military facilities, and infrastructure projects, where durability, safety, and compliance with building codes are paramount. This sector supports infrastructure resilience and modernization efforts, making it a critical component of government procurement strategies.

Industry Classification for NAICS 332321

This U.S. industry comprises establishments primarily engaged in manufacturing metal framed windows (i.e., typically using purchased glass) and metal doors. Examples of products made by these establishments are metal door frames; metal framed window and door screens; and metal molding and trim (except automotive).

Breakdown for NAICS 332321

  • Manufacture of metal framed windows typically using purchased glass.
  • Production of metal doors and metal door frames for commercial and institutional use.
  • Includes metal framed window and door screens as well as metal molding and trim.
  • Focuses on non-automotive metal window and door products.
  • Small to medium-sized manufacturers dominate, with some large-scale operations.
  • Supports new construction, renovation, and infrastructure repair projects.

Included Activities for NAICS 332321

  • Fabricating metal frames for windows and doors.
  • Assembling metal window and door units with purchased glass.
  • Manufacturing metal door frames and related hardware components.
  • Producing metal framed window and door screens.
  • Creating metal molding and trim for architectural applications.
  • Customizing products to meet government specifications and codes.
  • Testing and quality assurance of manufactured metal window and door products.
  • Packaging and delivering finished metal window and door units for installation.

Business Types for NAICS 332321

  • Metal window and door manufacturers
  • Specialized metal fabricators
  • Construction supply companies
  • Architectural metal product manufacturers
  • Small and medium manufacturing enterprises
  • Government subcontractors and suppliers

Subcategories for NAICS 332321

  • Baseboards, metal, manufacturing
  • Casements, metal, manufacturing
  • Door and jamb assemblies, metal, manufacturing
  • Door frames and sash, metal, manufacturing
  • Doors, metal, manufacturing
  • Fire doors, metal, manufacturing
  • Frames, door and window, metal, manufacturing
  • Garage doors, metal, manufacturing
  • Hangar doors, metal, manufacturing
  • Jalousies, metal, manufacturing
  • Louver windows, metal, manufacturing
  • Molding and trim (except motor vehicle), metal, manufacturing
  • Rolling doors for industrial buildings and warehouses, metal, manufacturing
  • Sash, door and window, metal, manufacturing
  • Screen doors, metal frame, manufacturing
  • Screens, door and window, metal frame, manufacturing
  • Shutters, door and window, metal, manufacturing
  • Skylights, metal, manufacturing
  • Storm doors and windows, metal, manufacturing
  • Trim and molding (except motor vehicle), metal, manufacturing
  • Trim, metal, manufacturing
  • Weatherstrip, metal, manufacturing
  • Window frames and sash, metal, manufacturing
  • Window screens, metal frame, manufacturing
  • Windows, metal, manufacturing

Government Buyers for NAICS 332321

Federal, state, and local government agencies are primary purchasers of metal windows and doors. Key buyers include the General Services Administration (GSA), Department of Defense (DoD), Department of Veterans Affairs (VA), and public housing authorities. These agencies require high-quality metal windows and doors for use in federal buildings, military installations, hospitals, schools, and public housing projects. The need for secure, energy-efficient, and weather-resistant window and door solutions drives procurement in this sector, supporting facility modernization, repair, and new construction. Additionally, government contracts often emphasize compliance with environmental standards and accessibility requirements, reinforcing the demand for specialized metal window and door products.

Contract Types & Procurement for NAICS 332321

Contracts in the metal window and door manufacturing sector typically include firm-fixed-price and indefinite-delivery/indefinite-quantity (IDIQ) agreements. Procurement methods often leverage competitive bidding and requests for proposals (RFPs) to ensure compliance with quality and cost requirements. Many contracts are awarded through GSA Schedules or multiple-award contracts that facilitate streamlined purchasing. Contract values vary widely depending on project scope, from smaller orders for renovation projects to multimillion-dollar contracts for large-scale federal construction. Subcontracting opportunities are common, particularly for manufacturers supplying components or custom-fabricated products meeting specialized government specifications.

Details for NAICS 332321

Explore the hierarchy and related codes for this industry

NAICS Code Industry Title
331 Primary Metal Manufacturing
3311 Iron and Steel Mills and Ferroalloy Manufacturing
33111 Iron and Steel Mills and Ferroalloy Manufacturing
331110 Iron and Steel Mills and Ferroalloy Manufacturing
3312 Steel Product Manufacturing from Purchased Steel
33121 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
331210 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
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
3314 Nonferrous Metal (except Aluminum) Production and Processing
33141 Nonferrous Metal (except Aluminum) Smelting and Refining
331410 Nonferrous Metal (except Aluminum) Smelting and Refining
33142 Copper Rolling, Drawing, Extruding, and Alloying
331420 Copper Rolling, Drawing, Extruding, and Alloying
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
331523 Nonferrous Metal Die-Casting Foundries
331524 Aluminum Foundries (except Die-Casting)
331529 Other Nonferrous Metal 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
332117 Powder Metallurgy Part Manufacturing
332119 Metal Crown, Closure, and Other Metal Stamping (except Automotive)
3322 Cutlery and Handtool Manufacturing
33221 Cutlery and Handtool Manufacturing
332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing
332216 Saw Blade and Handtool 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 Current 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
332410 Power Boiler and Heat Exchanger Manufacturing
33242 Metal Tank (Heavy Gauge) Manufacturing
332420 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
332510 Hardware Manufacturing
3326 Spring and Wire Product Manufacturing
33261 Spring and Wire Product Manufacturing
332613 Spring Manufacturing
332618 Other Fabricated Wire Product Manufacturing
3327 Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing
33271 Machine Shops
332710 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, Ordnance, and Ordnance Accessories Manufacturing
332996 Fabricated Pipe and Pipe Fitting 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
333120 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
33324 Industrial Machinery Manufacturing
333241 Food Product Machinery Manufacturing
333242 Semiconductor Machinery Manufacturing
333243 Sawmill, Woodworking, and Paper Machinery Manufacturing
333248 All Other Industrial Machinery Manufacturing
3333 Commercial and Service Industry Machinery Manufacturing
33331 Commercial and Service Industry Machinery Manufacturing
333310 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
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
3335 Metalworking Machinery Manufacturing
33351 Metalworking Machinery 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
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
333912 Air and Gas Compressor Manufacturing
333914 Measuring, Dispensing, and Other Pumping Equipment 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
333998 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
334118 Computer Terminal and Other Computer Peripheral Equipment Manufacturing
3342 Communications Equipment Manufacturing
33421 Telephone Apparatus Manufacturing
334210 Telephone Apparatus Manufacturing
33422 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
33429 Other Communications Equipment Manufacturing
334290 Other Communications Equipment Manufacturing
3343 Audio and Video Equipment Manufacturing
33431 Audio and Video Equipment Manufacturing
334310 Audio and Video Equipment Manufacturing
3344 Semiconductor and Other Electronic Component Manufacturing
33441 Semiconductor and Other Electronic Component 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
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
334519 Other Measuring and Controlling Device Manufacturing
3346 Manufacturing and Reproducing Magnetic and Optical Media
33461 Manufacturing and Reproducing Magnetic and Optical Media
334610 Manufacturing and Reproducing Magnetic and Optical Media
335 Electrical Equipment, Appliance, and Component Manufacturing
3351 Electric Lighting Equipment Manufacturing
33513 Electric Lighting Equipment 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
3352 Household Appliance Manufacturing
33521 Small Electrical Appliance Manufacturing
335210 Small Electrical Appliance Manufacturing
33522 Major Household Appliance Manufacturing
335220 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
335910 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
336110 Automobile and Light Duty Motor Vehicle Manufacturing
33612 Heavy Duty Truck Manufacturing
336120 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
336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing
33632 Motor Vehicle Electrical and Electronic Equipment Manufacturing
336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing
33633 Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing
336330 Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing
33634 Motor Vehicle Brake System Manufacturing
336340 Motor Vehicle Brake System Manufacturing
33635 Motor Vehicle Transmission and Power Train Parts Manufacturing
336350 Motor Vehicle Transmission and Power Train Parts Manufacturing
33636 Motor Vehicle Seating and Interior Trim Manufacturing
336360 Motor Vehicle Seating and Interior Trim Manufacturing
33637 Motor Vehicle Metal Stamping
336370 Motor Vehicle Metal Stamping
33639 Other Motor Vehicle Parts Manufacturing
336390 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
336510 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
337110 Wood Kitchen Cabinet and Countertop Manufacturing
33712 Household and Institutional Furniture Manufacturing
337121 Upholstered Household Furniture Manufacturing
337122 Nonupholstered Wood Household Furniture Manufacturing
337126 Household Furniture (except Wood and Upholstered) Manufacturing
337127 Institutional Furniture 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
337910 Mattress Manufacturing
33792 Blind and Shade Manufacturing
337920 Blind and Shade Manufacturing
339 Miscellaneous Manufacturing
3391 Medical Equipment and Supplies Manufacturing
33911 Medical Equipment and Supplies 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
339910 Jewelry and Silverware Manufacturing
33992 Sporting and Athletic Goods Manufacturing
339920 Sporting and Athletic Goods Manufacturing
33993 Doll, Toy, and Game Manufacturing
339930 Doll, Toy, and Game Manufacturing
33994 Office Supplies (except Paper) Manufacturing
339940 Office Supplies (except Paper) Manufacturing
33995 Sign Manufacturing
339950 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

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