Maryland Number of Private Business Establishments in the NAICS 621511 Medical laboratories Industry By County in 2024 Q2 (QCEW)

Updated on April 1, 2026.

According to data from the US Bureau of Labor Statistics, in 2024 Q2, Maryland had 663 number of private business establishments in the NAICS 621511 Medical laboratories Industry. Among all Maryland counties, Montgomery had the highest number of private business establishments (141), followed by Prince George's (81), and Baltimore (78).

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: Maryland BLS Topic List.

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

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Maryland Number of Private Business Establishments in the NAICS 621511 Medical laboratories Industry By County in 2024 Q2

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County	Number of Business Establishments
Allegany	3
Anne Arundel	45
Baltimore	78
Calvert	13
Caroline	3
Carroll	22
Cecil	10
Charles	19
Dorchester	5
Frederick	16
Garrett	3
Harford	33
Howard	30
Kent	1
Montgomery	141
Prince George's	81
Queen Anne's	3
St. Mary's	6
Somerset	1
Talbot	5
Washington	3
Wicomico	10
Worcester	2
Baltimore city	50