NAICS 561611 · Administrative and Support and Waste Management and Remediation Services
Investigation and Personal Background Check Services
5,456 active contractors list NAICS 561611 (Investigation and Personal Background Check Services) in SAM.gov; 4,106 are small under its SBA size standard and 1,629 list it as their primary NAICS.
- Active contractors
- 5,456
- Small under 561611SBA size standard for this code
- 4,106
- Primary NAICSTheir main line of business
- 1,629
- Hidden registrationsExcluded, expired or inactive
- 63
Work this industry
Live RFPs in this NAICS
Open SAM.gov solicitations coded 561611, matched to teaming partners.
Expiring awards
Incumbent contracts in 561611 heading to recompete in the next 18 months.
Small under 561611
Partners SAM.gov lists as small under this code: the size check a set-aside uses.
Size is NAICS-specific: a firm can be small under one code and other than small under another. Learn more about small business set-asides
Contractors listing NAICS 561611
Claimed profiles come first by membership level, then companies with 561611 as their primary NAICS, then federal obligations over the last 36 months. SPRS shows the highest blind bracket met, never the score. Learn more about blind SPRS brackets
63 registrations hidden because they are excluded, expired or inactive in SAM.gov. Include them
Showing 1,101–1,120 of 5,456 contractors
NORA COLLAS
DBA ZENITH INVESTIGATIVE GLOBAL SOLUTIONS
UEIY16MUYH9MN63CAGE208P5Location: OAK PARK, CASocio-economic status (SAM.gov): SBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on fileNORTH CAROLINA POLYGRAPH SERVICES, INC.
DBA NORTH CAROLINA POLYGRAPH SERVICES INC
UEIYZCNJM6B4XH4CAGE9D9Z6Location: RALEIGH, NCSocio-economic status (SAM.gov): SBSDBWOSBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on fileNORTH TEXAS FINGERPRINTING LLC
UEIH4KHL7DMUYY4CAGE9W9P1Location: MCKINNEY, TXSocio-economic status (SAM.gov): SBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on file- Primary NAICSNot listed as small under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM expiringObligated, 36 mo: None on file NORTON CECIL LEROY
UEIGS7QAF8JMM31CAGE4KFW5Location: NORRIDGEWOCK, MESocio-economic status (SAM.gov): SBVOSBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on fileNOSDUH FORENSIC BUREAU CORPORATION
UEIXHX3PZ4NPBH3CAGE8MQ50Location: MANHATTAN, ILSocio-economic status (SAM.gov): SBSDBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on fileNOTARY SOLUTIONS SERVICES LLC
UEIR2E4UYN3VRJ1CAGE11NX2Location: LITHONIA, GASocio-economic status (SAM.gov): SBSDBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on file- Primary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file - Primary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file NPIS, LLC
UEIZN3YTRPHATC3CAGE5WB01Location: SEVERN, MDSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on fileNSI INVESTIGATIONS LLC
DBA NELSON SPECIALIZED INVESTIGATIONS
UEIHGKFNLWYLAC7CAGE85NG2Location: IRVINE, CASocio-economic status (SAM.gov): SBVOSBSDVOSBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on file- Primary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM expiringObligated, 36 mo: None on file - Primary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file NUSS CHERYL
DBA NUSS & ASSOCIATES
UEIFM4HJSB3D468CAGE7ME45Location: SANTA CRUZ, CASocio-economic status (SAM.gov): SBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on fileOBRIANT CONSULTING LLC
UEIRQRTMKSL5H66CAGE1LGQ9Location: CHATTANOOGA, TNSocio-economic status (SAM.gov): SBWOSBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on fileOCONNOR WILLIAM V
DBA OCONNOR INVESTIGATIONS
UEILKHDGHWNNSR9CAGE5EKB5Location: BUFFALO, NYSocio-economic status (SAM.gov): SBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on fileOCTOLYTIX, LLC
UEIU2YXEZWPNV59CAGE12QN5Location: ANNAPOLIS, MDSocio-economic status (SAM.gov): SBVOSBSDVOSBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM activeObligated, 36 mo: None on file- Primary NAICSNot listed as small under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file - Primary NAICSNot listed as small under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: None on file ONE LOGIC SOURCE, L.L.C
UEIHFHBDRD2LHG2CAGE174P7Location: LAWRENCEBURG, KYSocio-economic status (SAM.gov): SBPrimary NAICSSmall under 561611CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).No compliance data on file
SAM expiringObligated, 36 mo: None on file
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
DBA ZENITH INVESTIGATIVE GLOBAL SOLUTIONS UEIY16MUYH9MN63CAGE208P5 Location: OAK PARK, CASocio-economic status (SAM.gov): SB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
NORTH CAROLINA POLYGRAPH SERVICES, INC. DBA NORTH CAROLINA POLYGRAPH SERVICES INC UEIYZCNJM6B4XH4CAGE9D9Z6 Location: RALEIGH, NCSocio-economic status (SAM.gov): SBSDBWOSB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
NORTH TEXAS FINGERPRINTING LLC UEIH4KHL7DMUYY4CAGE9W9P1 Location: MCKINNEY, TXSocio-economic status (SAM.gov): SB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
Primary NAICSNot listed as small under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM expiring | None on file | |
UEIGS7QAF8JMM31CAGE4KFW5 Location: NORRIDGEWOCK, MESocio-economic status (SAM.gov): SBVOSB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
NOSDUH FORENSIC BUREAU CORPORATION UEIXHX3PZ4NPBH3CAGE8MQ50 Location: MANHATTAN, ILSocio-economic status (SAM.gov): SBSDB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
UEIR2E4UYN3VRJ1CAGE11NX2 Location: LITHONIA, GASocio-economic status (SAM.gov): SBSDB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file | |
Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file | |
UEIZN3YTRPHATC3CAGE5WB01 Location: SEVERN, MDSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
DBA NELSON SPECIALIZED INVESTIGATIONS UEIHGKFNLWYLAC7CAGE85NG2 Location: IRVINE, CASocio-economic status (SAM.gov): SBVOSBSDVOSB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM expiring | None on file | |
Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file | |
DBA NUSS & ASSOCIATES UEIFM4HJSB3D468CAGE7ME45 Location: SANTA CRUZ, CASocio-economic status (SAM.gov): SB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
UEIRQRTMKSL5H66CAGE1LGQ9 Location: CHATTANOOGA, TNSocio-economic status (SAM.gov): SBWOSB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
DBA OCONNOR INVESTIGATIONS UEILKHDGHWNNSR9CAGE5EKB5 Location: BUFFALO, NYSocio-economic status (SAM.gov): SB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
UEIU2YXEZWPNV59CAGE12QN5 Location: ANNAPOLIS, MDSocio-economic status (SAM.gov): SBVOSBSDVOSB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file |
Primary NAICSNot listed as small under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file | |
Primary NAICSNot listed as small under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM active | None on file | |
UEIHFHBDRD2LHG2CAGE174P7 Location: LAWRENCEBURG, KYSocio-economic status (SAM.gov): SB | Primary NAICSSmall under 561611 | CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file | SAM expiring | None on file |
Related industries
Codes these contractors list most often alongside 561611: natural teaming adjacencies.
- 541611Administrative Management and General Management Consulting Services2,420shared firms
- 541690Other Scientific and Technical Consulting Services1,971shared firms
- 541990All Other Professional, Scientific, and Technical Services1,906shared firms
- 561612Security Guards and Patrol Services1,811shared firms
- 541618Other Management Consulting Services1,740shared firms
- 611430Professional and Management Development Training1,673shared firms
- 541519Other Computer Related Services1,549shared firms
- 541512Computer Systems Design Services1,478shared firms