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 Q1 (QCEW)
Updated on June 1, 2025.
According to data from the US Bureau of Labor Statistics, in 2024 Q1, California had 6,910 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 (1,213), followed by Los Angeles (767), and Santa Clara (695).
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 54171 Research and development in the physical, engineering, and life sciences Industry By County
in 2024 Q1
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 Q1
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| County | Number of Business Establishments |
|---|---|
| Alameda | 511 |
| Butte | 11 |
| Calaveras | 1 |
| Colusa | 4 |
| Contra Costa | 117 |
| Del Norte | 1 |
| El Dorado | 11 |
| Fresno | 14 |
| Humboldt | 7 |
| Imperial | 5 |
| Inyo | 2 |
| Kern | 22 |
| Kings | 1 |
| Lassen | 1 |
| Los Angeles | 767 |
| Marin | 60 |
| Mendocino | 1 |
| Merced | 2 |
| Modoc | 1 |
| Monterey | 21 |
| Napa | 4 |
| Nevada | 6 |
| Orange | 431 |
| Placer | 19 |
| Plumas | 2 |
| Riverside | 59 |
| Sacramento | 66 |
| San Benito | 4 |
| San Bernardino | 35 |
| San Diego | 1213 |
| San Francisco | 380 |
| San Joaquin | 10 |
| San Luis Obispo | 17 |
| San Mateo | 570 |
| Santa Barbara | 68 |
| Santa Clara | 695 |
| Santa Cruz | 38 |
| Shasta | 4 |
| Siskiyou | 1 |
| Solano | 21 |
| Sonoma | 30 |
| Stanislaus | 10 |
| Sutter | 1 |
| Tulare | 6 |
| Tuolumne | 1 |
| Ventura | 97 |
| Yolo | 57 |
| Yuba | 1 |