NAICS 33274-digit industry group · NAICS 2022

NAICS Code 3327: Machine Shops and Turned Products

The NAICS code for Machine Shops and Turned Products is 3327.

Machine Shops and Turned Products establishments use CNC machining, turning, milling, grinding, and boring to produce precision metal parts to customer specifications. This large, fragmented group is the job-shop backbone of US manufacturing, serving aerospace, defense, medical device, and industrial equipment producers with tight-tolerance components.

Machine Shops and Turned Products falls under the NAICS code for NAICS 332 — Fabricated Metal Product Manufacturing, a subsector of Manufacturing.

20,000

Total US Entities

NAICS Industries

3327

NAICS Code

Classification

NAICS Industries (5-digit)

NAICS Code	Industry Title	US Entities
33271	NAICS 33271 — Machine Shops	16,000
33272	NAICS 33272 — Turned Product and Screw, Nut, and Bolt Manufacturing	4,000

NAICS 2022

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Other Industry Groups in Fabricated Metal Product Manufacturing

NAICS 3321 — Forging and Stamping4,000 entities

NAICS 3322 — Cutlery and Handtool Manufacturing3,000 entities

NAICS 3323 — Architectural and Structural Metals18,000 entities

NAICS 3324 — Boiler, Tank, and Shipping Container2,500 entities

NAICS 3325 — Hardware Manufacturing2,000 entities

NAICS 3326 — Spring and Wire Product Manufacturing2,000 entities

NAICS 3328 — Coating, Engraving, and Heat Treating7,000 entities

NAICS 3329 — Other Fabricated Metal Products13,500 entities

Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.