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 1,681–1,700 of 5,456 contractors
CHEROKEE NATION SYSTEM SOLUTIONS LLC
UEIFMWVU3EYSVF7CAGE7LSU0Location: TULSA, OKSocio-economic status (SAM.gov): SBSDBHUBZoneTribalSecondary 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: $407.5M ($407,546,337)- 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: $406.4M ($406,431,627) CHENEGA ENTERPRISE SYSTEMS & SOLUTIONS, LLC
UEIJYBLAXNKT647CAGE7TKL9Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBANCSecondary 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: $367M ($367,010,869)STRATEGIC RESOURCES, INCORPORATED
UEIE6KBKQAPJUZ1CAGE0WVX1Location: GREAT FALLS, VASocio-economic status (SAM.gov): SBSecondary 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: $354.4M ($354,432,314)AKIMA GLOBAL SERVICES, LLC
UEILUDNH5K4XQU9CAGE5UVQ9Location: HERNDON, VASocio-economic status (SAM.gov): ANCTribalSecondary 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: $352.1M ($352,084,345)- 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: $332.6M ($332,579,090) A SQUARE GROUP LLC
UEIK22WGLWY6ZK6CAGE6C0S9Location: FREDERICK, 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: $319.8M ($319,823,722)WESTERN DOOR FEDERAL, LLC
DBA WESTERN DOOR FEDERAL LLC
UEIEJVWRH7GWKM3CAGE828U0Location: CHANTILLY, VASocio-economic status (SAM.gov): SDB8(a)TribalSecondary 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: $311.3M ($311,334,030)- 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: $306.1M ($306,128,477) - 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: $303.9M ($303,909,357) - 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: $300.4M ($300,376,809) - 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: $292M ($291,972,074) PEERLESS TECHNOLOGIES CORPORATION
UEIGM4JDCJEW5Z7CAGE1PST8Location: FAIRBORN, OHSocio-economic status (SAM.gov): SBSecondary 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: $290.7M ($290,704,858)CHEROKEE CRC LLC
UEIC6AJS6W1KBW3CAGE3ZWF9Location: TULSA, OKSocio-economic status (SAM.gov): SBSDBHUBZoneTribalSecondary 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: $272.5M ($272,526,051)PROJECT ENHANCEMENT CORPORATION
UEICM9VW5P6GKB6CAGE1SMK8Location: GERMANTOWN, MDSocio-economic status (SAM.gov): SBSecondary 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: $263.8M ($263,823,477)SENECA GLOBAL SERVICES LLC
UEIHYDWL7JCHBG4CAGE5B1S6Location: CHANTILLY, VASocio-economic status (SAM.gov): SBSDB8(a)TribalSecondary 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: $254.8M ($254,752,496)DAVIS DEFENSE GROUP, INC.
DBA DAVIS DEFENSE GROUP INC
UEIJ8JYMHMNH317CAGE3B0Y3Location: STAFFORD, VASocio-economic status (SAM.gov): SBWOSBSecondary 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: $251.2M ($251,183,258)ITILITY, L.L.C
DBA ITILITY LLC
UEIVBQ8BKTK2Q81CAGE3A2Y1Location: CHANTILLY, VASocio-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: $242.6M ($242,599,760)- 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: $238.7M ($238,688,046) - 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: $238.6M ($238,633,355)
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
CHEROKEE NATION SYSTEM SOLUTIONS LLC UEIFMWVU3EYSVF7CAGE7LSU0 Location: TULSA, OKSocio-economic status (SAM.gov): SBSDBHUBZoneTribal | 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 | $407.5M ($407,546,337) |
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 | $406.4M ($406,431,627) | |
CHENEGA ENTERPRISE SYSTEMS & SOLUTIONS, LLC UEIJYBLAXNKT647CAGE7TKL9 Location: CHESAPEAKE, VASocio-economic status (SAM.gov): SBANC | 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 | $367M ($367,010,869) |
STRATEGIC RESOURCES, INCORPORATED UEIE6KBKQAPJUZ1CAGE0WVX1 Location: GREAT FALLS, VASocio-economic status (SAM.gov): SB | 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 | $354.4M ($354,432,314) |
UEILUDNH5K4XQU9CAGE5UVQ9 Location: HERNDON, VASocio-economic status (SAM.gov): ANCTribal | 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 | $352.1M ($352,084,345) |
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 | $332.6M ($332,579,090) | |
UEIK22WGLWY6ZK6CAGE6C0S9 Location: FREDERICK, 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 | $319.8M ($319,823,722) |
DBA WESTERN DOOR FEDERAL LLC UEIEJVWRH7GWKM3CAGE828U0 Location: CHANTILLY, VASocio-economic status (SAM.gov): SDB8(a)Tribal | 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 | $311.3M ($311,334,030) |
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 | $306.1M ($306,128,477) | |
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 | $303.9M ($303,909,357) | |
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 | $300.4M ($300,376,809) | |
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 | $292M ($291,972,074) | |
PEERLESS TECHNOLOGIES CORPORATION UEIGM4JDCJEW5Z7CAGE1PST8 Location: FAIRBORN, OHSocio-economic status (SAM.gov): SB | 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 | $290.7M ($290,704,858) |
UEIC6AJS6W1KBW3CAGE3ZWF9 Location: TULSA, OKSocio-economic status (SAM.gov): SBSDBHUBZoneTribal | 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 expiring | $272.5M ($272,526,051) |
PROJECT ENHANCEMENT CORPORATION UEICM9VW5P6GKB6CAGE1SMK8 Location: GERMANTOWN, MDSocio-economic status (SAM.gov): SB | 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 | $263.8M ($263,823,477) |
UEIHYDWL7JCHBG4CAGE5B1S6 Location: CHANTILLY, VASocio-economic status (SAM.gov): SBSDB8(a)Tribal | 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 | $254.8M ($254,752,496) |
DBA DAVIS DEFENSE GROUP INC UEIJ8JYMHMNH317CAGE3B0Y3 Location: STAFFORD, VASocio-economic status (SAM.gov): SBWOSB | 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 | $251.2M ($251,183,258) |
DBA ITILITY LLC UEIVBQ8BKTK2Q81CAGE3A2Y1 Location: CHANTILLY, VASocio-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 | $242.6M ($242,599,760) |
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 | $238.7M ($238,688,046) | |
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 | $238.6M ($238,633,355) |
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