Massachusetts Number of Private Business Establishments in the NAICS 621511 Medical laboratories Industry By County in 2023 Q2 (QCEW)

Updated on June 4, 2025.

According to data from the US Bureau of Labor Statistics, in 2023 Q2, Massachusetts had 323 number of private business establishments in the NAICS 621511 Medical laboratories Industry. Among all Massachusetts counties, Middlesex had the highest number of private business establishments (69), followed by Worcester (56), and Essex (34).

The chart and table shows the number of business establishments for each county.

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Massachusetts Number of Private Business Establishments in the NAICS 621511 Medical laboratories Industry By County in 2023 Q2
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County Number of Business Establishments
Barnstable 11
Berkshire 3
Bristol 25
Essex 34
Hampden 9
Hampshire 3
Middlesex 69
Norfolk 30
Plymouth 15
Suffolk 26
Worcester 56