US Number of Private Business Establishments By State in the NAICS 541380 Testing laboratories Industry in 2024 Q1

Updated on January 29, 2026.

According to data from the US Bureau of Labor Statistics, in 2024 Q1, among all US states, California had the highest number of private business establishments in the NAICS 541380 Testing laboratories Industry (1,192), followed by Texas (1,074), and Florida (664).

The chart and table below shows the number of business establishments for each state.

You can see similar information for other industries and sectors.

Related Topics: US BLS Topic List.

Data Source: US Bureau of Labor Statistics (QCEW).

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US Number of Private Business Establishments By State in the NAICS 541380 Testing laboratories Industry in 2024 Q1

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US Number of Private Business Establishments By State in the NAICS 541380 Testing laboratories Industry in 2024 Q1

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State	Number of Business Establishments
Alabama	192
Alaska	43
Arizona	256
Arkansas	87
California	1192
Colorado	260
Connecticut	180
Delaware	57
Florida	664
Georgia	300
Hawaii	43
Idaho	123
Illinois	431
Indiana	260
Iowa	134
Kansas	116
Kentucky	188
Louisiana	266
Maine	52
Maryland	178
Massachusetts	224
Michigan	330
Minnesota	174
Mississippi	97
Missouri	195
Montana	54
Nebraska	57
Nevada	122
New Hampshire	64
New Jersey	361
New Mexico	89
New York	430
North Carolina	411
North Dakota	70
Ohio	452
Oklahoma	118
Oregon	163
Pennsylvania	420
Rhode Island	59
South Carolina	176
South Dakota	57
Tennessee	216
Texas	1074
Utah	154
Vermont	34
Virginia	249
Washington	232
West Virginia	75
Wisconsin	199
Wyoming	64