Security Systems Services
Security system installation and monitoring for government buildings, embassies, and classified facilities.
Sector: Administrative and Support Services
Search Security Systems Services contractors via API
Find all SAM.gov-registered contractors classified under NAICS 561621. Filter by state, small business status, certifications, and more.
curl "https://api.govdatalabs.com/api/v2/data/entities/search?naics=561621&limit=5" \
-H "X-API-Key: your_api_key"curl "https://api.govdatalabs.com/api/v2/data/market/overview?naics=561621" \
-H "X-API-Key: your_api_key"Data available for NAICS 561621
Contractor Profiles
SandboxSearch SAM.gov entities registered under NAICS 561621. Get firmographics, certifications, and registration status.
Entity SearchContract Awards
StarterView historical award data — values, agencies, set-asides, and timelines — for every contractor in this NAICS.
Award HistoryMarket Overview
StarterTop contractors, total award value, unique contractors, and average award size for the Security Systems Services market.
Market OverviewAI Capabilities
ProfessionalAI-extracted technologies, clearances, and service areas for contractors in this industry classification.
AI CapabilitiesTeaming Partners
ProfessionalWho teams with whom in the 561621 space. Relationship scores derived from co-award analysis.
Teaming PartnersSemantic Search
ProfessionalNatural language search: "companies that do security systems services for DOD" and get ranked results.
Semantic SearchSecurity Systems Services contractors by state
Find security systems servicescontractors in specific states using the API's state filter.
Get Security Systems Services data via API
Free sandbox — 100 requests/month, no credit card. Search contractors, view awards, and explore market data for NAICS 561621.