US
Number of Private Business Establishments
By State in the NAICS 541380 Testing laboratories Industry
in 2023 Q4
Updated on June 5, 2025.
According to data from the US Bureau of Labor Statistics, in 2023 Q4, among all US states, California had the highest number of private business establishments in the NAICS 541380 Testing laboratories Industry (1,236), followed by Texas (1,076), and Florida (662).
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).
See this for other quarters:
US Number of Private Business Establishments
By State in the NAICS 541380 Testing laboratories Industry
in 2023 Q4
< 1K
1K to 2.5K
2.5K to 5K
5K to 10K
Over 10K
US Number of Private Business Establishments
By State in the NAICS 541380 Testing laboratories Industry
in 2023 Q4
Items per page:
25
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| State | Number of Business Establishments |
|---|---|
| Alabama | 192 |
| Alaska | 40 |
| Arizona | 241 |
| Arkansas | 88 |
| California | 1236 |
| Colorado | 260 |
| Connecticut | 179 |
| Delaware | 57 |
| Florida | 662 |
| Georgia | 272 |
| Hawaii | 40 |
| Idaho | 117 |
| Illinois | 470 |
| Indiana | 264 |
| Iowa | 133 |
| Kansas | 116 |
| Kentucky | 189 |
| Louisiana | 274 |
| Maine | 53 |
| Maryland | 181 |
| Massachusetts | 225 |
| Michigan | 346 |
| Minnesota | 172 |
| Mississippi | 96 |
| Missouri | 207 |
| Montana | 57 |
| Nebraska | 57 |
| Nevada | 117 |
| New Hampshire | 67 |
| New Jersey | 370 |
| New Mexico | 86 |
| New York | 427 |
| North Carolina | 434 |
| North Dakota | 75 |
| Ohio | 455 |
| Oklahoma | 113 |
| Oregon | 168 |
| Pennsylvania | 414 |
| Rhode Island | 57 |
| South Carolina | 174 |
| South Dakota | 56 |
| Tennessee | 206 |
| Texas | 1076 |
| Utah | 156 |
| Vermont | 35 |
| Virginia | 250 |
| Washington | 234 |
| West Virginia | 82 |
| Wisconsin | 204 |
| Wyoming | 66 |