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Machinery Manufacturing

24,552 FACILITIESAll Census product lines →

NAICS 333

Map, cities and product lines

Where these plants are54 STATES

Bars are drawn against California, the largest, rather than against the national total.

California4,623
Michigan1,532
Texas1,481
Ohio1,150
Pennsylvania1,121
Illinois1,072
Minnesota1,037
Wisconsin924
Florida839
New York742
Massachusetts612
North Carolina551
Tennessee547
Indiana520
Georgia477
Missouri445
New Jersey407
Iowa379
Colorado369
Kentucky360
Washington357
Virginia357
Kansas354
Oregon347
South Carolina313
Oklahoma311
Connecticut296
Arizona267
Alabama266
Louisiana261
Utah228
Mississippi177
Maryland172
Nebraska166
Arkansas163
West Virginia156
New Hampshire153
Idaho125
South Dakota111
Nevada101
New Mexico90
North Dakota87
Rhode Island81
Wyoming78
Maine70
Puerto Rico59
Montana56
Vermont55
Delaware39
Alaska27

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Common questions

How many machinery manufacturing facilities are in the United States?

As of AUG 2026, FactoryRegistry lists 24,552 machinery manufacturing facilities (NAICS 333) across 54 states, compiled from EPA, OSHA and Census records.

Which state has the most machinery manufacturing facilities?

California, with 4,623 facilities listed.

How many machinery manufacturing facilities are still operating?

12,159 of the 24,552 listed carry a recent operating signal in federal data — the register's Active or Likely active status. The rest are listed from their filings alone, which is a gap in the federal record rather than evidence that a plant has closed.