What is the average federal contract value for NAICS 561611?

Across 376 awarded federal contracts in NAICS 561611 (Investigation and Personal Background Check Services), the median award is $1,809,892, with most awards between $326,172 and $5,334,181. Source: SAM.gov award data.

What is the SBA small-business size standard for NAICS 561611?

The SBA size standard for NAICS 561611 is $25M avg. annual receipts.

Facilities & Support · NAICS 561611

Investigation and Personal Background Check Services

Federal contract pricing, the top winners, buying agencies, and live opportunities for NAICS 561611.

$1,809,892

median award value · most between $326,172 and $5,334,181

Total awarded

$4,967,165,394

Awards

376

Winners

153

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SBA size standard

$25M avg. annual receipts

Live opportunities →Full pricing benchmark Market explorer Who wins here Am I small?

Top winners (by $)

PERATON RISK DECISION INC.$1,638,614,563

CACI, INC. - FEDERAL$923,992,914

CACI PREMIER TECHNOLOGY, LLC$576,849,794

ASRC FEDERAL PROFESSIONAL SER…$280,674,683

PROTECTION STRATEGIES INC

Recent awards

EEO INVESTIGATION SERVICESEUTSEY DRADEAN L · Oct 01, 2026$7,500,000 Multiple Award SchedulePENINSULA MEDIATION CENTER INC · Sep 22, 2026$500,000 ATF requires Special Investigators, Travel Reimbursement, Administrative Support. The Explosives Relief of Disabilities (EROD) Program within the Explosives Enforcement and Training Division (EETD), is charged with managing relief applications.POTOMAC MANAGEMENT SOLUTIONS LLC · Aug 26, 2026$789,259 U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)THE BAPTISTE GROUP, LLC · Aug 17, 2026$9,000,000 U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)CADUCEUS INC. · Aug 17, 2026

Pricing reflects 376 SAM.gov award notices for NAICS 561611. New to NAICS? See the full code dictionary or NAICS codes explained.

Investigation and Personal Background Check Services

Top winners (by $)

Recent awards

Top buying agencies (by $)

Awards by year ($)