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 1,861–1,880 of 5,456 contractors
GUARDIAN DEFENSE GROUP, INC.
DBA GUARDIAN DEFENSE GROUP LLC
UEIFS7JCF2WYL83CAGE54VM8Location: ALEXANDRIA, VASecondary 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: $30.4M ($30,388,893)ECHO FIVE GROUP, LLC
DBA ECHO FIVE GROUP LLC
UEIENHCU8RFJ1S3CAGE7UT18Location: ARLINGTON, VASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary 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: $30.2M ($30,209,609)ABBTECH PROFESSIONAL RESOURCES, INC.
DBA ABBTECH PROFESSIONAL RESOURCES INC
UEIGNVLM7NAQXT1CAGE0VKT1Location: STERLING, VASocio-economic status (SAM.gov): SBWOSBSecondary 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: $30M ($29,977,827)- Secondary 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: $29.9M ($29,911,971) EAGLE SECURITY GROUP INC
UEIJP79C5JMY4C9CAGE36AN7Location: FREDERICKSBURG, VASocio-economic status (SAM.gov): SBSecondary 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: $28.8M ($28,773,812)TGB3 ENTERPRISES LLC
UEICXZTVL6LP2T4CAGE859Y0Location: ANNISTON, ALSocio-economic status (SAM.gov): SBSecondary 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: $28M ($28,042,305)STRATEGIC INNOVATIVE SOLUTIONS LLC
DBA SIS
UEIFAFSLWW6MJN4CAGE5W3U5Location: CLEARWATER, FLSocio-economic status (SAM.gov): SBSecondary 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: $27.9M ($27,864,703)AECOM TECHNICAL SERVICES, INC.
DBA AECOM ENVIRONMENT INC
UEIGBD4FAK8L553CAGE3VXL6Location: SACRAMENTO, CASecondary 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: $27.4M ($27,411,381)CRISIS RESPONSE CO LLC
UEID532S19GWHD7CAGE6HX39Location: SOUTHLAKE, TXSocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary 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: $26.6M ($26,629,747)TUBA GROUP, INC.
DBA TUBA GROUP INC
UEIHFTZMGK1SDJ9CAGE4GUR6Location: VIENNA, VASocio-economic status (SAM.gov): SBSecondary 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: $26.5M ($26,474,057)- Secondary 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: $25.6M ($25,647,173) BJD SERVICES LLC
UEIM3JJBGDXDWG5CAGE5TSL0Location: LAS VEGAS, NVSocio-economic status (SAM.gov): SBWOSBVOSBSecondary 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: $25.5M ($25,526,836)- Secondary 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: $25.3M ($25,320,799) GLOBAL SYSTEMS ENGINEERING, LLC
DBA GLOBAL SYSTEMS ENGINEERING LLC
UEIK95SPKS33M71CAGE77TX7Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SBHUBZoneSecondary 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: $24.4M ($24,409,947)MANAGEMENT SOLUTIONS CONSULTING GROUP, INC.
DBA MANAGEMENT SOLUTIONS CONSULTING GROUP INC
UEIHZNKLW5ACM51CAGE3FR40Location: LANHAM, MDSocio-economic status (SAM.gov): SBWOSBSecondary 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: $24.3M ($24,300,070)- Secondary 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: $24.1M ($24,145,082) OPTIMO INFORMATION TECHNOLOGY LLC
UEIFL84KVPFHUG9CAGE51VE0Location: BLOOMSBURG, PASocio-economic status (SAM.gov): SBSecondary 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: $23.6M ($23,600,238)SECURITY WATCH INC
UEIKJRGKWJ44LR7CAGE4WTW9Location: CHARLESTON, WVSocio-economic status (SAM.gov): SBSDBWOSBSecondary 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: $23.2M ($23,171,681)- Secondary 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: $23.1M ($23,111,566) NELSON ENTERPRISE TECHNOLOGY SERVICES LLC
DBA NETS
UEIKKFQFLLEH5H1CAGE54CJ7Location: STERLING, VASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary 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: $23.1M ($23,090,171)
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
DBA GUARDIAN DEFENSE GROUP LLC UEIFS7JCF2WYL83CAGE54VM8 Location: ALEXANDRIA, VA | Secondary 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 | $30.4M ($30,388,893) |
DBA ECHO FIVE GROUP LLC UEIENHCU8RFJ1S3CAGE7UT18 Location: ARLINGTON, VASocio-economic status (SAM.gov): SBVOSBSDVOSB | Secondary 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 | $30.2M ($30,209,609) |
ABBTECH PROFESSIONAL RESOURCES, INC. DBA ABBTECH PROFESSIONAL RESOURCES INC UEIGNVLM7NAQXT1CAGE0VKT1 Location: STERLING, VASocio-economic status (SAM.gov): SBWOSB | Secondary 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 | $30M ($29,977,827) |
Secondary 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 | $29.9M ($29,911,971) | |
UEIJP79C5JMY4C9CAGE36AN7 Location: FREDERICKSBURG, VASocio-economic status (SAM.gov): SB | Secondary 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 | $28.8M ($28,773,812) |
UEICXZTVL6LP2T4CAGE859Y0 Location: ANNISTON, ALSocio-economic status (SAM.gov): SB | Secondary 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 | $28M ($28,042,305) |
STRATEGIC INNOVATIVE SOLUTIONS LLC DBA SIS UEIFAFSLWW6MJN4CAGE5W3U5 Location: CLEARWATER, FLSocio-economic status (SAM.gov): SB | Secondary 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 | $27.9M ($27,864,703) |
AECOM TECHNICAL SERVICES, INC. DBA AECOM ENVIRONMENT INC UEIGBD4FAK8L553CAGE3VXL6 Location: SACRAMENTO, CA | Secondary 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 | $27.4M ($27,411,381) |
UEID532S19GWHD7CAGE6HX39 Location: SOUTHLAKE, TXSocio-economic status (SAM.gov): SBVOSBSDVOSB | Secondary 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 | $26.6M ($26,629,747) |
DBA TUBA GROUP INC UEIHFTZMGK1SDJ9CAGE4GUR6 Location: VIENNA, VASocio-economic status (SAM.gov): SB | Secondary 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 | $26.5M ($26,474,057) |
Secondary 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 | $25.6M ($25,647,173) | |
UEIM3JJBGDXDWG5CAGE5TSL0 Location: LAS VEGAS, NVSocio-economic status (SAM.gov): SBWOSBVOSB | Secondary 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 | $25.5M ($25,526,836) |
Secondary 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 | $25.3M ($25,320,799) | |
GLOBAL SYSTEMS ENGINEERING, LLC DBA GLOBAL SYSTEMS ENGINEERING LLC UEIK95SPKS33M71CAGE77TX7 Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SBHUBZone | Secondary 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 | $24.4M ($24,409,947) |
MANAGEMENT SOLUTIONS CONSULTING GROUP, INC. DBA MANAGEMENT SOLUTIONS CONSULTING GROUP INC UEIHZNKLW5ACM51CAGE3FR40 Location: LANHAM, MDSocio-economic status (SAM.gov): SBWOSB | Secondary 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 | $24.3M ($24,300,070) |
Secondary 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 | $24.1M ($24,145,082) | |
OPTIMO INFORMATION TECHNOLOGY LLC UEIFL84KVPFHUG9CAGE51VE0 Location: BLOOMSBURG, PASocio-economic status (SAM.gov): SB | Secondary 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 | $23.6M ($23,600,238) |
UEIKJRGKWJ44LR7CAGE4WTW9 Location: CHARLESTON, WVSocio-economic status (SAM.gov): SBSDBWOSB | Secondary 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 | $23.2M ($23,171,681) |
Secondary 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 | $23.1M ($23,111,566) | |
NELSON ENTERPRISE TECHNOLOGY SERVICES LLC DBA NETS UEIKKFQFLLEH5H1CAGE54CJ7 Location: STERLING, VASocio-economic status (SAM.gov): SBVOSBSDVOSB | Secondary 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 | $23.1M ($23,090,171) |
Related industries
Codes these contractors list most often alongside 561611: natural teaming adjacencies.
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- 541690Other Scientific and Technical Consulting Services1,971shared firms
- 541990All Other Professional, Scientific, and Technical Services1,906shared firms
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- 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