NAICS Code 33: Manufacturing
NAICS code 33 is the sector for manufacturing. It contains 43 industry groups, listed below.
NAICS codes in 33 Manufacturing
| Code | Title | Federal contracts (3 years) |
|---|---|---|
| 3311 | Iron and Steel Mills and Ferroalloy Manufacturing | $331M |
| 3312 | Steel Product Manufacturing from Purchased Steel | n/a |
| 3313 | Alumina and Aluminum Production and Processing | n/a |
| 3314 | Nonferrous Metal (except Aluminum) Production and Processing | $7.7B |
| 3315 | Foundries | n/a |
| 3321 | Forging and Stamping | n/a |
| 3322 | Cutlery and Handtool Manufacturing | $331M |
| 3323 | Architectural and Structural Metals Manufacturing | $1.3B |
| 3324 | Boiler, Tank, and Shipping Container Manufacturing | $7.3B |
| 3325 | Hardware Manufacturing | $1.4B |
| 3326 | Spring and Wire Product Manufacturing | n/a |
| 3327 | Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing | $1.3B |
| 3328 | Coating, Engraving, Heat Treating, and Allied Activities | n/a |
| 3329 | Other Fabricated Metal Product Manufacturing | $35.2B |
| 3331 | Agriculture, Construction, and Mining Machinery Manufacturing | $2.9B |
| 3332 | Industrial Machinery Manufacturing | $874M |
| 3333 | Commercial and Service Industry Machinery Manufacturing | $5.9B |
| 3334 | Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing | $1.2B |
| 3335 | Metalworking Machinery Manufacturing | $548M |
| 3336 | Engine, Turbine, and Power Transmission Equipment Manufacturing | $3.1B |
| 3339 | Other General Purpose Machinery Manufacturing | $3.6B |
| 3341 | Computer and Peripheral Equipment Manufacturing | $10.2B |
| 3342 | Communications Equipment Manufacturing | $22.4B |
| 3343 | Audio and Video Equipment Manufacturing | $435M |
| 3344 | Semiconductor and Other Electronic Component Manufacturing | $7.4B |
| 3345 | Navigational, Measuring, Electromedical, and Control Instruments Manufacturing | $63.6B |
| 3346 | Manufacturing and Reproducing Magnetic and Optical Media | n/a |
| 3351 | Electric Lighting Equipment Manufacturing | n/a |
| 3352 | Household Appliance Manufacturing | n/a |
| 3353 | Electrical Equipment Manufacturing | $2.3B |
| 3359 | Other Electrical Equipment and Component Manufacturing | $2.7B |
| 3361 | Motor Vehicle Manufacturing | $8.9B |
| 3362 | Motor Vehicle Body and Trailer Manufacturing | $5.8B |
| 3363 | Motor Vehicle Parts Manufacturing | $1.9B |
| 3364 | Aerospace Product and Parts Manufacturing | $349B |
| 3365 | Railroad Rolling Stock Manufacturing | n/a |
| 3366 | Ship and Boat Building | $97.1B |
| 3369 | Other Transportation Equipment Manufacturing | $18.7B |
| 3371 | Household and Institutional Furniture and Kitchen Cabinet Manufacturing | $486M |
| 3372 | Office Furniture (including Fixtures) Manufacturing | $1.8B |
| 3379 | Other Furniture Related Product Manufacturing | n/a |
| 3391 | Medical Equipment and Supplies Manufacturing | $8.4B |
| 3399 | Other Miscellaneous Manufacturing | $12.2B |
How to choose the right NAICS code
Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.
Related guides
Frequently asked questions
- What is NAICS code 33?
- NAICS 33 is the sector "Manufacturing" in the North American Industry Classification System.