Connecticut Number of Private Business Establishments
in the NAICS 541715 Research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology) Industry By County
in 2023 Q2 (QCEW)
Updated on June 2, 2025.
According to data from the US Bureau of Labor Statistics, in 2023 Q2, Connecticut had 415 number of private business establishments in the NAICS 541715 Research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology) Industry. Among all Connecticut counties, Fairfield had the highest number of private business establishments (114), followed by New Haven (88), and Hartford (65).
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: Connecticut BLS Topic List.
Data Source: US Bureau of Labor Statistics (QCEW).
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Connecticut Number of Private Business Establishments
in the NAICS 541715 Research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology) Industry By County
in 2023 Q2
Connecticut Number of Private Business Establishments
in the NAICS 541715 Research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology) Industry By County
in 2023 Q2
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| County | Number of Business Establishments |
|---|---|
| Fairfield | 114 |
| Hartford | 65 |
| Litchfield | 11 |
| Middlesex | 13 |
| New Haven | 88 |
| New London | 34 |
| Tolland | 11 |
| Windham | 9 |