NAICS 561621
Security Systems Services (except Locksmiths)
Top Awarding Agencies
- Department of DEFENSE21 open
- VETERANS AFFAIRS, DEPARTMENT OF7 open
- HOMELAND SECURITY, DEPARTMENT OF2 open
- Unknown Agency2 open
- INTERIOR, DEPARTMENT OF THE1 open
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NAICS 561621 is classified under Sector 56 · Level 6-digit code. Census Bureau NAICS reference ↗