What is the average federal contract value for NAICS 561611?

Across 305 awarded federal contracts in NAICS 561611 (Investigation and Personal Background Check Services), the median award is $1,374,616, with most awards between $246,249 and $4,816,783. 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.

$1,374,616

median award value · most between $246,249 and $4,816,783

Total awarded

$3,238,049,019

Awards

305

Winners

137

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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 $)

CACI, INC. - FEDERAL$901,549,460

PERATON RISK DECISION INC.$863,628,054

ASRC FEDERAL PROFESSIONAL SER…$280,674,683

PROTECTION STRATEGIES INC$145,334,056

MADISON ASSOCIATES INC$100,529,543

PROFESSIONAL RISK MANAGEMENT,…$89,140,804

Top buying agencies (by $)

Department of Defense$1,895,656,641

Department of Homeland Securi…$639,444,870

Department of Justice$276,020,625

Department of Health and Huma…$121,847,095

Social Security Administration$72,843,827

Department of Veterans Affairs$64,043,936

Awards by year ($)

2016$10,203,626

2017$25,161,216

2018$2,811,870

2019$38,211,700

2020$335,780,237

2021$266,224,058

2022$88,429,063

2023$1,799,890,151

2024$219,913,218

2025$163,138,520

2026$288,285,361

Recent awards

EEO INVESTIGATION SERVICESEUTSEY DRADEAN L · Oct 01, 2026$7,500,000 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)CADUCEUS INC. · Aug 17, 2026$9,000,000 U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)RESPONSE AI SOLUTIONS, LLC · Aug 17, 2026$9,000,000 U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)THE BAPTISTE GROUP, LLC · Aug 17, 2026$9,000,000

Pricing reflects 305 SAM.gov award notices for NAICS 561611. New to NAICS? See the full code dictionary or NAICS codes explained.