Maryland Number of Private Business Establishments in the NAICS 51821 Data processing, hosting and related services Industry By County in 2025 Q3 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q3, Maryland had 1,631 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 (274), followed by Baltimore (120), and Howard (119).

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 Q3

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County	Number of Business Establishments
Allegany	3
Anne Arundel	86
Baltimore	120
Calvert	6
Caroline	2
Carroll	20
Cecil	7
Charles	19
Dorchester	1
Frederick	64
Garrett	10
Harford	23
Howard	119
Kent	1
Montgomery	274
Prince George's	98
Queen Anne's	5
St. Mary's	2
Talbot	4
Washington	8
Wicomico	5
Worcester	5
Baltimore city	57