Who sells NAICS 561621 to Selective Service System?
A direct answer for contractors selling SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS) to Selective Service System during fiscal year 2026.
Direct answer
KASTLE SYSTEMS LLC is the top listed contractor selling NAICS 561621 to Selective Service System in FY2026, with $28,075 in ingested obligations.
Answer Facts
AgencySelective Service System
NAICS561621
Top contractorKASTLE SYSTEMS LLC
Top obligations$28,075
Which contractors sell SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS) to Selective Service System?
KASTLE SYSTEMS LLC leads this visible agency-industry slice.
Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.