US custom manufacturing capacity index

Where the plants that make custom parts actually are, from the primary record: the Census Bureau's County Business Patterns counts of establishments, employment and payroll for the five classes this site's processes are counted in.

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Updated 2026-09-09; methodology below; copy any sentence and check it against the source.

plastics product plants
5,565
machine shops
17,431
sheet metal shops
4,605
tool and die shops
1,998
people employed
823,249

By state

By state

50 states, 30,725 manufacturing establishments

StatePlasticsMachine shopsSheet metalAll five classesEmployees
Alaska 318829211
Alabama 652657744715,070
Arkansas 52170412896,747
Arizona 863138650912,707
California 5512,2575753,62471,293
Colorado 79268834466,549
Connecticut 753094855011,083
Delaware 152613541,366
Florida 22346223997818,337
Georgia 13337116170523,989
Hawaii 67821232
Iowa 801694332112,400
Idaho 28124351872,584
Illinois 3498581701,61944,590
Indiana 2375831261,13436,342
Kansas 591785030010,072
Kentucky 792176039417,690
Louisiana 38249493394,714
Massachusetts 12042110371017,119
Maryland 47124412206,405
Maine 2292211383,487
Michigan 3689261691,93969,835
Minnesota 15652910888928,335
Missouri 1103048756813,841
Mississippi 33100381854,760
Montana 12661391788
North Carolina 15746713781926,179
North Dakota 16486701,278
Nebraska 3485221514,369
New Hampshire 40144482465,805
Show all 50 states
StatePlasticsMachine shopsSheet metalAll five classesEmployees
New Jersey 13429812562417,584
New Mexico 1174191081,152
Nevada 4367451633,613
New York 2095812291,13027,048
Ohio 3701,1411922,01263,301
Oklahoma 43281664037,058
Oregon 762786645210,022
Pennsylvania 3029252161,62144,011
Rhode Island 2548171172,692
South Carolina 1062695846214,567
South Dakota 2159181032,050
Tennessee 1273148861917,956
Texas 3351,3263782,13449,064
Utah 68209643517,463
Virginia 602368440013,802
Vermont 173410742,643
Washington 10034111258014,097
Wisconsin 2216801281,23142,157
West Virginia 2080201204,224
Wyoming 440549568

Download the state-level dataset (CSV), free to reuse with citation.

Establishment, employment and annual payroll counts for the five NAICS classes these processes are counted in, across all 50 states. Each class is named as the Census names it; no class counts injection moulders specifically.

Sources, citation and related pages

Cite or embed this figure

The custom manufacturing establishments in the United States was 30,725 in 2022, across 30,725 manufacturing establishments recorded in the US Custom Manufacturing Capacity Index (Census County Business Patterns 2022).

Cite as: "Injection Molding Cost Checker Capacity Index", updated 2026-09-09, https://injectionmoldingcostchecker.com/capacity/.

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Custom manufacturing establishments · United States · 2022

30,725

manufacturing establishments823,249

Source: Injection Molding Cost Checker Capacity Index

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