NAICS 561611 – Investigation and Personal Background Check Services

Browse 46+ active federal contract opportunities classified under NAICS 561611.

Recent Opportunities

• LeadsOnline Database Services
  Agency: DEPT OF DEFENSE Posted: Jul 23, 2026 NAICS: 561611 Set-Aside: NONE Location: NC
• FDA Third Party Tobacco Retailer Inspection Services (Region 4)
  Agency: HEALTH AND HUMAN SERVICES, DEPARTMENT OF Posted: Jul 23, 2026 Due: Jul 31, 2026 NAICS: 561611 Set-Aside: SBA Location: MD
• FDA Third Party Tobacco Retailer Inspection Services (Region 4)
  Agency: HEALTH AND HUMAN SERVICES, DEPARTMENT OF Posted: Jul 22, 2026 Due: Jul 31, 2026 NAICS: 561611 Set-Aside: SBA Location: MD
• R611--Louisville Web Based Credit Monitoring
  Agency: VETERANS AFFAIRS, DEPARTMENT OF Posted: Jul 21, 2026 Due: Aug 5, 2026 NAICS: 561611
• Notice of Intent to Sole Source - Washington State Patrol
  Agency: DEPT OF DEFENSE Posted: Jul 16, 2026 Due: Jul 31, 2026 NAICS: 561611 Set-Aside: NONE Location: WA
• Multiple Award Schedule
  Agency: GENERAL SERVICES ADMINISTRATION Posted: Jul 9, 2026 Due: Jul 9, 2026 NAICS: 561611
• FDA Third Party Tobacco Retailer Inspection Services (Region 4)
  Agency: HEALTH AND HUMAN SERVICES, DEPARTMENT OF Posted: Jul 2, 2026 Due: Jul 31, 2026 NAICS: 561611 Set-Aside: SBA Location: MD
• JOFOC for Personnel Security Support Services Bridge Contract
  Agency: DEPT OF DEFENSE Posted: Jul 1, 2026 NAICS: 561611 Location: MD
• FDA Third Party Tobacco Retailer Inspection Services (Region 4)
  Agency: HEALTH AND HUMAN SERVICES, DEPARTMENT OF Posted: Jul 1, 2026 Due: Jul 27, 2026 NAICS: 561611 Set-Aside: SBA Location: MD
• Request of Proposal for Case Processing Operations Center 2.0
  Agency: DEPT OF DEFENSE Posted: May 13, 2026 Due: May 18, 2026 NAICS: 561611 Set-Aside: SBA
• Request of Proposal for Case Processing Operations Center 2.0
  Agency: DEPT OF DEFENSE Posted: May 5, 2026 Due: May 18, 2026 NAICS: 561611 Set-Aside: SBA
• Request of Proposal for Case Processing Operations Center 2.0
  Agency: DEPT OF DEFENSE Posted: Apr 17, 2026 Due: May 8, 2026 NAICS: 561611 Set-Aside: SBA
• Request of Proposal for Case Processing Operations Center 2.0
  Agency: DEPT OF DEFENSE Posted: Apr 7, 2026 Due: May 8, 2026 NAICS: 561611 Set-Aside: SBA
• Multiple Award Schedule
  Agency: GENERAL SERVICES ADMINISTRATION Posted: Dec 29, 2025 Due: Dec 29, 2025 NAICS: 561611
• Multiple Award Schedule
  Agency: GENERAL SERVICES ADMINISTRATION Posted: Nov 25, 2025 Due: Nov 25, 2025 NAICS: 561611
• EEO INVESTIGATION SERVICES
  Agency: EXPORT-IMPORT BANK OF THE US Posted: Nov 20, 2025 NAICS: 561611
• Multiple Award Schedule
  Agency: GENERAL SERVICES ADMINISTRATION Posted: Nov 3, 2025 Due: Nov 3, 2025 NAICS: 561611
• Field, Background-Investigative Services (Multiple Award)
  Agency: JUSTICE, DEPARTMENT OF Posted: Sep 12, 2025 Due: Jun 15, 2030 NAICS: 561611 Set-Aside: SBA
• Multiple Award Schedule
  Agency: GENERAL SERVICES ADMINISTRATION Posted: Sep 4, 2025 Due: Sep 4, 2025 NAICS: 561611
• Field, Background-Investigative Services (Multiple Award)
  Agency: JUSTICE, DEPARTMENT OF Posted: Jul 18, 2025 Due: Jun 15, 2030 NAICS: 561611 Set-Aside: SBA
• Field, Background-Investigative Services (Multiple Award)
  Agency: JUSTICE, DEPARTMENT OF Posted: Jul 15, 2025 Due: Jun 15, 2030 NAICS: 561611 Set-Aside: SBA
• Field, Background-Investigative Services (Multiple Award)
  Agency: JUSTICE, DEPARTMENT OF Posted: Jul 14, 2025 Due: Jun 15, 2030 NAICS: 561611 Set-Aside: SBA
• Field, Background-Investigative Services (Multiple Award)
  Agency: JUSTICE, DEPARTMENT OF Posted: Jun 25, 2025 Due: Jun 15, 2030 NAICS: 561611 Set-Aside: SBA
• Field, Background-Investigative Services (Multiple Award)
  Agency: JUSTICE, DEPARTMENT OF Posted: Jun 16, 2025 Due: Jun 15, 2030 NAICS: 561611 Set-Aside: SBA
• Field, Background-Investigative Services (Multiple Award)
  Agency: JUSTICE, DEPARTMENT OF Posted: Jun 16, 2025 Due: Jun 15, 2030 NAICS: 561611 Set-Aside: SBA

Data sourced from SAM.gov. Updated daily. Last updated: July 28, 2026.