Illinois Number of Private Business Establishments in the NAICS 54151 Computer systems design and related 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, Illinois had 14,016 number of private business establishments in the NAICS 54151 Computer systems design and related services Industry. Among all Illinois counties, Cook had the highest number of private business establishments (3,386), followed by DuPage (1,228), and Lake (599).

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: Illinois BLS Topic List.

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

See this for other quarters:

Illinois Number of Private Business Establishments in the NAICS 54151 Computer systems design and related services Industry By County in 2025 Q1

0 of 0

County	Number of Business Establishments
Adams	11
Bond	3
Boone	8
Bureau	3
Cass	2
Champaign	90
Christian	4
Clinton	7
Coles	2
Cook	3386
DeKalb	14
Douglas	2
DuPage	1228
Edwards	1
Effingham	12
Fayette	1
Ford	2
Franklin	1
Fulton	2
Greene	1
Grundy	7
Hamilton	1
Hancock	1
Henry	5
Iroquois	2
Jackson	11
Jefferson	4
Jo Daviess	2
Kane	265
Kankakee	9
Kendall	53
Knox	2
Lake	599
LaSalle	14
Lawrence	1
Lee	5
Livingston	2
Logan	3
McDonough	3
McHenry	131
McLean	82
Macon	17
Macoupin	2
Madison	63
Marion	2
Marshall	1
Menard	1
Monroe	10
Montgomery	3
Morgan	3
Moultrie	3
Ogle	4
Peoria	65
Perry	1
Piatt	3
Randolph	1
Rock Island	31
St. Clair	114
Saline	1
Sangamon	123
Schuyler	1
Scott	1
Shelby	5
Stephenson	6
Tazewell	33
Vermilion	4
Wabash	1
Wayne	2
White	2
Whiteside	3
Will	429
Williamson	7
Winnebago	45
Woodford	1