NAICS 3333-digit subsector · NAICS 2022Sector 31-33

NAICS Code 333: Machinery Manufacturing

The NAICS code for Machinery Manufacturing is 333.

Machinery Manufacturing establishments design and build engines, turbines, industrial equipment, HVAC systems, and general-purpose machinery for agricultural, construction, and industrial applications. US machinery manufacturers compete globally on precision, customization, and after-sale service.

Machinery Manufacturing is a 3-digit subsector of the broader Manufacturing (NAICS 31-33) sector.

72,000

Total US Entities

Industry Groups

333

NAICS Code

Classification

Industry Groups (4-digit)

NAICS Code	Industry Group Title	US Entities
3331	NAICS 3331 — Agriculture, Construction, Mining Machinery	10,000
3332	NAICS 3332 — Industrial Machinery Manufacturing	11,000
3333	NAICS 3333 — Commercial and Service Industry Machinery	5,000
3334	NAICS 3334 — HVAC and Commercial Refrigeration Equipment	5,000
3335	NAICS 3335 — Metalworking Machinery Manufacturing	10,000
3336	NAICS 3336 — Turbine and Power Transmission Equipment	3,000
3339	NAICS 3339 — Other General Purpose Machinery	28,000

Sample Data

Sample Companies in This Industry

Subsector 333 — Machinery Manufacturing

Company Name	Location	Employees	NAICS Code
Caterpillar Inc	Peoria, IL	10,000+	333

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Other Subsectors in Manufacturing

NAICS 311 — Food Manufacturing42,880 entities

NAICS 312 — Beverage and Tobacco Manufacturing19,850 entities

NAICS 313 — Textile Mills7,941 entities

NAICS 314 — Textile Product Mills15,480 entities

NAICS 315 — Apparel Manufacturing15,086 entities

NAICS 316 — Leather and Allied Product Manufacturing5,431 entities

NAICS 321 — Wood Product Manufacturing31,570 entities

NAICS 322 — Paper Manufacturing18,000 entities

NAICS 323 — Printing and Related Support Activities26,000 entities

NAICS 324 — Petroleum and Coal Products2,000 entities

NAICS 325 — Chemical Manufacturing35,000 entities

NAICS 326 — Plastics and Rubber Products35,000 entities

NAICS 327 — Nonmetallic Mineral Products23,000 entities

NAICS 331 — Primary Metal Manufacturing9,580 entities

NAICS 332 — Fabricated Metal Product Manufacturing72,000 entities

NAICS 334 — Computer and Electronic Product Manufacturing44,608 entities

NAICS 335 — Electrical Equipment and Appliance Manufacturing20,000 entities

NAICS 336 — Transportation Equipment Manufacturing30,858 entities

NAICS 337 — Furniture and Related Product Manufacturing30,000 entities

NAICS 339 — Miscellaneous Manufacturing45,000 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.