California Number of Private Business Establishments in the NAICS 54171 Research and development in the physical, engineering, and life sciences Industry By County in 2024 Q2 (QCEW)
Updated on June 1, 2025.

According to data from the US Bureau of Labor Statistics, in 2024 Q2, California had 6,977 number of private business establishments in the NAICS 54171 Research and development in the physical, engineering, and life sciences Industry. Among all California counties, San Diego had the highest number of private business establishments (1,222), followed by Los Angeles (777), and Santa Clara (707).

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.
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California Number of Private Business Establishments in the NAICS 54171 Research and development in the physical, engineering, and life sciences Industry By County in 2024 Q2
California Number of Private Business Establishments in the NAICS 54171 Research and development in the physical, engineering, and life sciences Industry By County in 2024 Q2
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County Number of Business Establishments
Alameda 520
Butte 11
Calaveras 1
Colusa 4
Contra Costa 117
Del Norte 1
El Dorado 10
Fresno 14
Humboldt 7
Imperial 5
Inyo 2
Kern 22
Kings 1
Lassen 1
Los Angeles 777
Marin 60
Mendocino 1
Merced 2
Modoc 1
Monterey 21
Napa 4
Nevada 6
Orange 430
Placer 21
Plumas 2
Riverside 60
Sacramento 67
San Benito 4
San Bernardino 36
San Diego 1222
San Francisco 391
San Joaquin 11
San Luis Obispo 17
San Mateo 576
Santa Barbara 69
Santa Clara 707
Santa Cruz 38
Shasta 4
Siskiyou 1
Solano 21
Sonoma 30
Stanislaus 10
Sutter 1
Tulare 6
Tuolumne 1
Ventura 94
Yolo 56
Yuba 1