California Number of Private Business Establishments in the NAICS 541380 Testing laboratories Industry

According to data from the US Bureau of Labor Statistics, in 2025 Q3, the number of Private business establishments in the NAICS 541380 Testing laboratories Industry in California was 1,221.

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

You can see similar information for other industries.

You can also see similar information for other states, and for the United States.