California Number of Private Business Establishments in the NAICS 541511 Custom computer programming services Industry By County in 2025 Q1 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q1, California had 20,233 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 (2,921), followed by Santa Clara (2,209), and San Francisco (2,099).

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 Q1

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County	Number of Business Establishments
Alameda	1053
Amador	5
Butte	22
Calaveras	3
Colusa	5
Contra Costa	424
El Dorado	55
Fresno	64
Glenn	3
Humboldt	16
Imperial	4
Inyo	2
Kern	53
Kings	6
Lake	4
Los Angeles	2921
Madera	6
Marin	203
Mariposa	3
Mendocino	5
Merced	6
Mono	1
Monterey	48
Napa	27
Nevada	26
Orange	1512
Placer	127
Riverside	277
Sacramento	443
San Benito	3
San Bernardino	152
San Diego	1392
San Francisco	2099
San Joaquin	69
San Luis Obispo	58
San Mateo	702
Santa Barbara	107
Santa Clara	2209
Santa Cruz	85
Shasta	29
Siskiyou	4
Solano	43
Sonoma	92
Stanislaus	26
Sutter	3
Tehama	1
Tulare	17
Tuolumne	6
Ventura	208
Yolo	43
Yuba	5