California Number of Private Business Establishments in the NAICS 334513 Industrial process variable instruments Industry By County in 2025 Q3 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q3, California had 254 number of private business establishments in the NAICS 334513 Industrial process variable instruments Industry. Among all California counties, Orange had the highest number of private business establishments (42), followed by Los Angeles (36), and Santa Clara (26).

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

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

You can see similar information for other industries.

Related Topics: California BLS Topic List.

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

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California Number of Private Business Establishments in the NAICS 334513 Industrial process variable instruments Industry By County in 2025 Q3

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County	Number of Business Establishments
Alameda	18
Contra Costa	6
Fresno	3
Kern	8
Los Angeles	36
Marin	1
Mariposa	1
Monterey	5
Napa	1
Nevada	2
Orange	42
Placer	2
Riverside	7
Sacramento	5
San Bernardino	11
San Diego	23
San Francisco	2
San Joaquin	1
San Luis Obispo	2
San Mateo	5
Santa Barbara	5
Santa Clara	26
Santa Cruz	4
Solano	1
Sonoma	6
Stanislaus	2
Tulare	1
Tuolumne	2
Ventura	3
Yolo	2