Pennsylvania 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, Pennsylvania had 6,548 number of private business establishments in the NAICS 541511 Custom computer programming services Industry. Among all Pennsylvania counties, Allegheny had the highest number of private business establishments (481), followed by Montgomery (383), and Chester (301).

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: Pennsylvania BLS Topic List.

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

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Pennsylvania 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
Adams	10
Allegheny	481
Armstrong	5
Beaver	11
Bedford	5
Berks	37
Blair	12
Bradford	2
Bucks	215
Butler	50
Cambria	13
Carbon	4
Centre	30
Chester	301
Clarion	1
Clearfield	8
Clinton	1
Columbia	6
Crawford	4
Cumberland	114
Dauphin	64
Delaware	123
Elk	1
Erie	38
Fayette	7
Franklin	17
Greene	1
Huntingdon	2
Indiana	8
Lackawanna	23
Lancaster	80
Lawrence	6
Lebanon	9
Lehigh	81
Luzerne	13
Lycoming	8
Mercer	11
Mifflin	3
Monroe	25
Montgomery	383
Montour	1
Northampton	52
Northumberland	1
Perry	2
Philadelphia	269
Pike	5
Schuylkill	8
Snyder	4
Somerset	1
Susquehanna	1
Tioga	1
Union	3
Venango	3
Warren	3
Washington	30
Wayne	8
Westmoreland	42
Wyoming	2
York	51