Maryland Number of Private Business Establishments in the NAICS 51821 Data processing, hosting and related services Industry By County in 2025 Q1 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q1, Maryland had 1,565 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 (260), followed by Howard (119), and Baltimore (109).

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 Q1

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County	Number of Business Establishments
Allegany	3
Anne Arundel	79
Baltimore	109
Calvert	7
Caroline	2
Carroll	18
Cecil	7
Charles	18
Dorchester	1
Frederick	58
Garrett	9
Harford	21
Howard	119
Kent	1
Montgomery	260
Prince George's	98
Queen Anne's	6
St. Mary's	2
Talbot	4
Washington	7
Wicomico	5
Worcester	6
Baltimore city	53