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← 56 Administrative and Support and Waste Management and Remediation Services

561 Administrative and Support Services

  1. 561110Office Administrative Services
  2. 561210Facilities Support Services
  3. 561311Employment Placement Agencies
  4. 561320Temporary Help Services
  5. 561330Professional Employer Organizations
  6. 561410Document Preparation Services
  7. 561421Telephone Answering Services
  8. 561422Telemarketing Bureaus and Other Contact Centers
  9. 561431Private Mail Centers
  10. 561439Other Business Service Centers (including Copy Shops)
  11. 561440Collection Agencies
  12. 561450Credit Bureaus
  13. 561492Court Reporting and Stenotype Services
  14. 561499All Other Business Support Services
  15. 561510Travel Agencies
  16. 561599All Other Travel Arrangement and Reservation Services
  17. 561611Investigation and Personal Background Check Services
  18. 561612Security Guards and Patrol Services
  19. 561613Armored Car Services
  20. 561621Security Systems Services (except Locksmiths)
  21. 561622Locksmiths
  22. 561710Exterminating and Pest Control Services
  23. 561720Janitorial Services
  24. 561730Landscaping Services
  25. 561740Carpet and Upholstery Cleaning Services
  26. 561790Other Services to Buildings and Dwellings
  27. 561910Packaging and Labeling Services
  28. 561920Convention and Trade Show Organizers
  29. 561990All Other Support Services

All sectors

  1. 11Agriculture, Forestry, Fishing and Hunting
  2. 21Mining, Quarrying, and Oil and Gas Extraction
  3. 22Utilities
  4. 23Construction
  5. 31-33Manufacturing
  6. 42Wholesale Trade
  7. 44-45Retail Trade
  8. 48-49Transportation and Warehousing
  9. 51Information
  10. 52Finance and Insurance
  11. 53Real Estate and Rental and Leasing
  12. 54Professional, Scientific, and Technical Services
  13. 56Administrative and Support and Waste Management and Remediation Services
  14. 61Educational Services
  15. 62Health Care and Social Assistance
  16. 71Arts, Entertainment, and Recreation
  17. 72Accommodation and Food Services
  18. 81Other Services (except Public Administration)
  19. 92Public Administration

561611 Investigation and Personal Background Check Services: federal contract awards

Federal agencies obligated $1.0 billion on contracts coded 561611 from July 1, 2025 to June 30, 2026. They made 397 new awards with a median of $12,488. Small businesses received 30% of the money.

Contract obligations
$1.0 billionJul 2025 to Jun 2026
New awards
397signed in the window
Median new award
$12,488obligated to date
Small-business share
30%$302.1 million

Which federal offices buy 561611 work

The five awarding offices with the largest obligations under 561611, Jul 2025 to Jun 2026
Awarding officeDepartmentObligationsShare of 561611
Defense Counterintelligence and Security AgencyDOD$501.4 million50%
U.S. Immigration and Customs EnforcementDHS$156.7 million16%
U.S. Customs and Border ProtectionDHS$117.8 million12%
Social Security AdministrationSSA$42.4 million4%
Federal Bureau of InvestigationDOJ$24.2 million2%

Which companies received 561611 awards

The five recipients with the largest obligations under 561611, Jul 2025 to Jun 2026, as named in USAspending
RecipientObligationsShare of 561611
CACI, INC. - FEDERAL$306.5 million30%
PERATON RISK DECISION INC.$276.2 million27%
ASRC FEDERAL ADMINISTRATIVE SERVICES, LLC$42.3 million4%
EQUIFAX WORKFORCE SOLUTIONS LLC$40.3 million4%
PROFESSIONAL RISK MANAGEMENT, INC.$27.9 million3%

How the 561611 money was set aside

Share of obligations by the set-aside type recorded on each contract action. Orders under larger contract vehicles often record none.

Small business set-aside4.4%$44.1 million
Service-disabled veteran-owned0.2%$2.0 million
8(a)5.6%$56.3 million
Women-owned (WOSB, EDWOSB)0.2%$1.8 million
No set-aside used3.3%$33.2 million
No set-aside type recorded86%$867.5 million

Open for bids on SAM.gov on September 29, 2026

The SAM.gov extract of September 29, 2026 listed 13 open notices coded 561611 whose response deadline had not passed: 9 combined synopsis/solicitations, 4 solicitations.

  • Open notices13
  • Solicitations and combined synopses13
  • Sources sought and presolicitations0
  • Posted in the 30 days before the extract4
  • Naming a place of performance8%
  • Median days from posting to response deadline16

Set-asides on these notices: Total small business set-aside: 9; Set-aside not stated: 3; No set-aside: 1.

Posting agencies with the most open notices: ATF ACQUISITION AND PROPERTY MGMT DIV (9), DEPT OF THE NAVY (3), POSTAL SERVICE (1).

Most common places of performance: Florida (1).

This is a snapshot. The live list is on SAM.gov Contract Opportunities, where you can filter by NAICS code.

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The daily digest emails you the notices posted on SAM.gov under 561611 and up to nine more codes, in the states you choose, each with its response deadline, set-aside and SAM.gov link, and the award figures on this page for context. $149 a year.

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Award figures: USAspending.gov, contract award types A to D (BPA calls, purchase orders, delivery orders, definitive contracts), action dates July 1, 2025 to June 30, 2026, retrieved September 29, 2026. Open notices: SAM.gov Contract Opportunities public extract of September 29, 2026. How each figure is defined.