US Number of Private Business Establishments By State in the NAICS 541380 Testing laboratories Industry in 2025 Q2

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q2, among all US states, California had the highest number of private business establishments in the NAICS 541380 Testing laboratories Industry (1,220), followed by Texas (1,068), and Florida (654).

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 2025 Q2

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1K to 2.5K

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US Number of Private Business Establishments By State in the NAICS 541380 Testing laboratories Industry in 2025 Q2

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State	Number of Business Establishments
Alabama	188
Alaska	42
Arizona	248
Arkansas	88
California	1220
Colorado	266
Connecticut	180
Delaware	63
Florida	654
Georgia	311
Hawaii	42
Idaho	136
Illinois	415
Indiana	257
Iowa	137
Kansas	119
Kentucky	196
Louisiana	265
Maine	49
Maryland	181
Massachusetts	238
Michigan	360
Minnesota	177
Mississippi	97
Missouri	201
Montana	60
Nebraska	61
Nevada	127
New Hampshire	70
New Jersey	355
New Mexico	92
New York	426
North Carolina	400
North Dakota	76
Ohio	446
Oklahoma	127
Oregon	160
Pennsylvania	448
Rhode Island	54
South Carolina	171
South Dakota	55
Tennessee	190
Texas	1068
Utah	154
Vermont	35
Virginia	242
Washington	241
West Virginia	72
Wisconsin	218
Wyoming	59