Pennsylvania Number of Private Business Establishments in the NAICS 54151 Computer systems design and related 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 12,981 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 (893), followed by Montgomery (808), and Chester (661).

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 Q3

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County	Number of Business Establishments
Adams	26
Allegheny	893
Armstrong	7
Beaver	26
Bedford	9
Berks	87
Blair	28
Bradford	6
Bucks	495
Butler	102
Cambria	28
Cameron	1
Carbon	11
Centre	54
Chester	661
Clarion	2
Clearfield	10
Clinton	6
Columbia	11
Crawford	10
Cumberland	251
Dauphin	149
Delaware	258
Elk	2
Erie	83
Fayette	13
Franklin	43
Fulton	2
Greene	2
Huntingdon	4
Indiana	12
Jefferson	2
Juniata	1
Lackawanna	51
Lancaster	166
Lawrence	11
Lebanon	23
Lehigh	174
Luzerne	45
Lycoming	24
McKean	3
Mercer	25
Mifflin	6
Monroe	61
Montgomery	808
Montour	3
Northampton	99
Northumberland	6
Perry	7
Philadelphia	522
Pike	18
Potter	1
Schuylkill	15
Snyder	7
Somerset	5
Sullivan	1
Susquehanna	6
Tioga	1
Union	6
Venango	7
Warren	3
Washington	69
Wayne	16
Westmoreland	88
Wyoming	4
York	123