Pennsylvania Number of Private Business Establishments in the NAICS 54151 Computer systems design and related services Industry By County in 2025 Q2 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q2, Pennsylvania had 12,580 number of private business establishments in the NAICS 54151 Computer systems design and related services Industry. Among all Pennsylvania counties, Allegheny had the highest number of private business establishments (871), followed by Montgomery (794), and Chester (654).

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 54151 Computer systems design and related services Industry By County in 2025 Q2

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County	Number of Business Establishments
Adams	26
Allegheny	871
Armstrong	7
Beaver	26
Bedford	9
Berks	86
Blair	27
Bradford	6
Bucks	480
Butler	99
Cambria	28
Cameron	1
Carbon	11
Centre	50
Chester	654
Clarion	2
Clearfield	10
Clinton	6
Columbia	11
Crawford	10
Cumberland	248
Dauphin	147
Delaware	252
Elk	2
Erie	78
Fayette	13
Franklin	41
Fulton	2
Greene	2
Huntingdon	4
Indiana	11
Jefferson	2
Juniata	1
Lackawanna	50
Lancaster	165
Lawrence	11
Lebanon	23
Lehigh	169
Luzerne	44
Lycoming	22
McKean	3
Mercer	23
Mifflin	6
Monroe	60
Montgomery	794
Montour	3
Northampton	98
Northumberland	6
Perry	8
Philadelphia	508
Pike	18
Potter	1
Schuylkill	15
Snyder	7
Somerset	5
Sullivan	1
Susquehanna	6
Tioga	1
Union	6
Venango	5
Warren	3
Washington	67
Wayne	15
Westmoreland	87
Wyoming	4
York	121