269 security guard and private security companies in Maryland, built from official state licensing data. Compare by city and request free quotes.
Maryland licenses security and private-detective agencies through the Maryland State Police. Demand spans the Port of Baltimore and its logistics belt, the federal and biotech corridor in the Washington, DC suburbs of Montgomery and Prince George's counties, and major healthcare and research institutions such as Johns Hopkins.
Capital: Annapolis · Mid-Atlantic region.
New to hiring here? Read our guide to Maryland security licensing — who regulates it, armed-guard and firearm rules, and how to verify a license yourself.
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269 companies with a verified license · Page 4 of 6 · View all
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