Maryland Number of Private Business Establishments in the NAICS 51821 Data processing, hosting and related services Industry By County in 2025 Q2 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q2, Maryland had 1,624 number of private business establishments in the NAICS 51821 Data processing, hosting and related services Industry. Among all Maryland counties, Montgomery had the highest number of private business establishments (270), followed by Howard (124), and Baltimore (113).

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 51821 Data processing, hosting and related services Industry By County in 2025 Q2

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County	Number of Business Establishments
Allegany	4
Anne Arundel	80
Baltimore	113
Calvert	7
Caroline	2
Carroll	18
Cecil	7
Charles	18
Dorchester	1
Frederick	62
Garrett	10
Harford	22
Howard	124
Kent	1
Montgomery	270
Prince George's	101
Queen Anne's	6
St. Mary's	1
Talbot	4
Washington	7
Wicomico	5
Worcester	6
Baltimore city	58