Illinois Number of Private Business Establishments in the NAICS 61142 Computer training 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 143 number of private business establishments in the NAICS 61142 Computer training Industry. Among all Illinois counties, Cook had the highest number of private business establishments (43), followed by DuPage (11), and Lake (9).
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).
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Illinois Number of Private Business Establishments
in the NAICS 61142 Computer training Industry By County
in 2025 Q1
25
0 of 0
| County | Number of Business Establishments |
|---|---|
| Cook | 43 |
| DuPage | 11 |
| Grundy | 1 |
| Lake | 9 |
| McHenry | 2 |
| McLean | 1 |
| Madison | 1 |
| St. Clair | 1 |
| Sangamon | 2 |
| Will | 3 |
| Winnebago | 1 |
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