Maryland Number of Private Business Establishments in the NAICS 56162 Security systems 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 343 number of private business establishments in the NAICS 56162 Security systems services Industry. Among all Maryland counties, Baltimore had the highest number of private business establishments (53), followed by Montgomery (52), and Prince George's (32).

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 56162 Security systems services Industry By County in 2025 Q3

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County	Number of Business Establishments
Allegany	2
Anne Arundel	23
Baltimore	53
Calvert	5
Caroline	2
Carroll	10
Charles	3
Dorchester	1
Frederick	16
Garrett	1
Harford	13
Howard	24
Kent	1
Montgomery	52
Prince George's	32
Queen Anne's	2
St. Mary's	1
Somerset	1
Talbot	3
Washington	10
Wicomico	5
Worcester	4
Baltimore city	17