California Number of Private Business Establishments in the NAICS 541511 Custom computer programming services 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 20,738 number of private business establishments in the NAICS 541511 Custom computer programming services Industry. Among all California counties, Los Angeles had the highest number of private business establishments (2,995), followed by Santa Clara (2,277), and San Francisco (2,242).

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 541511 Custom computer programming services Industry By County in 2025 Q3

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County	Number of Business Establishments
Alameda	1074
Amador	7
Butte	22
Calaveras	4
Colusa	6
Contra Costa	438
El Dorado	57
Fresno	66
Glenn	3
Humboldt	17
Imperial	5
Inyo	2
Kern	56
Kings	7
Lake	4
Los Angeles	2995
Madera	7
Marin	209
Mariposa	3
Mendocino	7
Merced	6
Mono	1
Monterey	48
Napa	25
Nevada	30
Orange	1551
Placer	133
Riverside	278
Sacramento	451
San Benito	3
San Bernardino	170
San Diego	1414
San Francisco	2242
San Joaquin	73
San Luis Obispo	60
San Mateo	728
Santa Barbara	115
Santa Clara	2277
Santa Cruz	86
Shasta	27
Siskiyou	4
Solano	47
Sonoma	93
Stanislaus	29
Sutter	4
Tehama	1
Tulare	16
Tuolumne	6
Ventura	215
Yolo	43
Yuba	5