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 1,381–1,400 of 5,456 contractors
SOUTHEAST RESEARCH & INVESTIGATIVE SERVICES, LLC
UEIEWQVVF4VCZY5CAGE12BU8Location: GREER, SCSocio-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 fileSOUTHERN BACKGROUND SERVICES, LLC
UEIESV1E9ZUX7S6CAGE6QQ37Location: HAZLEHURST, GASocio-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 fileSOUTHERN SURVEILLANCE COMPANY LLC
DBA SOUTHERN SURVEILLANCE CO LLC
UEIE22YFX32M1L3CAGE3NUM5Location: OPELOUSAS, LASocio-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 fileSOUTH TEXAS VIRTUAL SOLUTIONS LLC
UEIF4WAJ5XPZFM4CAGE9B5R3Location: KATY, TXSocio-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 fileSPARTAN TRAINING & INVESTIGATIONS LLC
UEIJMNYPJ6S5241CAGE9M2V6Location: HALSTEAD, KSSocio-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 fileSPECIAL INVESTIGATIONS LIMITED CO
DBA SPECIAL INVESTIGATIONS
UEISEDVKKYK2K93CAGE7WDJ5Location: HERNDON, VASocio-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 fileSPENCER INVESTIGATIONS PLLC
UEISB7UC6QH91G5CAGE902H3Location: PEORIA, ILSocio-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 fileSPY'S EYE INVESTIGATION LLC
DBA SPY S EYE INVESTIGATION
UEISQKHD5M7MCC4CAGE25FG5Location: O FALLON, MOSocio-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 fileSPY TEK INVESTIGATIONS INC.
DBA SPY TEK INVESTIGATIONS INC
UEIC1HSR1B5MX49CAGE70KB4Location: ACCOKEEK, MDSocio-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 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 STAG INVESTIGATIONS, LLC
UEIWZKZPGA71C21CAGE23C28Location: SIGNAL MOUNTAIN, TNSocio-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 fileSTARGAZER CONSULTING LLC
UEIU5NXSL2524R3CAGE9FX86Location: RIDGEWOOD, NJSocio-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 fileSTARR MELINA J
UEIMJ7VK15MFUK4CAGE7U1N6Location: SPRINGFIELD, VASocio-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 fileSTAUFFER MATTHEW P
UEISFLAJCWZEE81CAGE83L35Location: ROCKVILLE, MDSocio-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 STEEL ARC SOLUTIONS, LLC
UEIHD9PUZYMCG75CAGE0HQL0Location: NAVARRE, FLSocio-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 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 STEGER & ASSOCIATES, INC.
DBA STEGER & ASSOCIATES INC
UEIKMPRXJGFB2W3CAGE72BC5Location: WILLIAMSBURG, VASocio-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 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 STELLA ENTERPRISES LLC
UEIQECDNL6PCC33CAGE9XXM2Location: BLUFFTON, SCSocio-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 file
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
SOUTHEAST RESEARCH & INVESTIGATIVE SERVICES, LLC UEIEWQVVF4VCZY5CAGE12BU8 Location: GREER, SCSocio-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 |
SOUTHERN BACKGROUND SERVICES, LLC UEIESV1E9ZUX7S6CAGE6QQ37 Location: HAZLEHURST, GASocio-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 |
SOUTHERN SURVEILLANCE COMPANY LLC DBA SOUTHERN SURVEILLANCE CO LLC UEIE22YFX32M1L3CAGE3NUM5 Location: OPELOUSAS, LASocio-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 |
SOUTH TEXAS VIRTUAL SOLUTIONS LLC UEIF4WAJ5XPZFM4CAGE9B5R3 Location: KATY, TXSocio-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 |
SPARTAN TRAINING & INVESTIGATIONS LLC UEIJMNYPJ6S5241CAGE9M2V6 Location: HALSTEAD, KSSocio-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 |
SPECIAL INVESTIGATIONS LIMITED CO DBA SPECIAL INVESTIGATIONS UEISEDVKKYK2K93CAGE7WDJ5 Location: HERNDON, VASocio-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 |
UEISB7UC6QH91G5CAGE902H3 Location: PEORIA, ILSocio-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 |
DBA SPY S EYE INVESTIGATION UEISQKHD5M7MCC4CAGE25FG5 Location: O FALLON, MOSocio-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 |
DBA SPY TEK INVESTIGATIONS INC UEIC1HSR1B5MX49CAGE70KB4 Location: ACCOKEEK, MDSocio-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 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 | |
UEIWZKZPGA71C21CAGE23C28 Location: SIGNAL MOUNTAIN, TNSocio-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 |
UEIU5NXSL2524R3CAGE9FX86 Location: RIDGEWOOD, NJSocio-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 |
UEIMJ7VK15MFUK4CAGE7U1N6 Location: SPRINGFIELD, VASocio-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 |
UEISFLAJCWZEE81CAGE83L35 Location: ROCKVILLE, MDSocio-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 | |
UEIHD9PUZYMCG75CAGE0HQL0 Location: NAVARRE, FLSocio-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 |
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 | |
DBA STEGER & ASSOCIATES INC UEIKMPRXJGFB2W3CAGE72BC5 Location: WILLIAMSBURG, VASocio-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 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 | |
UEIQECDNL6PCC33CAGE9XXM2 Location: BLUFFTON, SCSocio-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 |
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