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.

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Search with filters Small businesses only

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 4,861–4,880 of 5,456 contractors

SPARTAN-6 SECURITY, INC.
UEIT8EHL82VV196CAGE9Q7H1
Location: VAN BUREN TWP, MISocio-economic status (SAM.gov): SBVOSB
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 activeObligated, 36 mo: None on file
SPARTAN DEFENSE GROUP LLC
UEIQTFLGNB652A8CAGE9FGS0
Location: DALLAS, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
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 activeObligated, 36 mo: None on file
SPARTAN PRIVATE SECURITY INC
UEIYNV9T55BY6S9CAGE9D8N0
Location: LAKE MARY, FLSocio-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 activeObligated, 36 mo: None on file
SPEARTIP, LLC
UEIHRDGCD1LYJG4CAGE7QF56
Location: SAINT LOUIS, MO
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 activeObligated, 36 mo: None on file
SPECIAL CHILDREN'S CHARITY
UEIM4PLEWA6LZS5CAGE11BU0
Location: PHOENIX, AZ
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 activeObligated, 36 mo: None on file
SPECIAL POLICE CONSTABLES STATE OF OHIO, MAHONING COUNTY INC
UEIT5RKAESS6288CAGE4BPW4
Location: YOUNGSTOWN, OH
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 expiringObligated, 36 mo: None on file
SPECIFIC PROTECTION CONSULTING LLC
UEISTZNKM82TRY7CAGE25EC7
Location: OXON HILL, MDSocio-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 activeObligated, 36 mo: None on file
SPEC OPS SECURITY LLC
UEITJLUQ6PBJAK1CAGE1ARZ6
Location: GRAND PRAIRIE, TX
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 activeObligated, 36 mo: None on file
SPECPRO MANAGEMENT SERVICES, LLC
UEITQY1DQE29KN3CAGE7BHJ1
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBANC
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 activeObligated, 36 mo: None on file
SPECTOR SECURITY LLC
UEISUSHP4SZLZ38CAGE8E6P2
Location: MOUNT PLEASANT, SCSocio-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 activeObligated, 36 mo: None on file
SPECTRA FORENSIC SERVICES LLC
UEINV4PMNJBAPU5CAGE7MR99
Location: SAN ANTONIO, TX
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 expiringObligated, 36 mo: None on file
SPECTRUM CANINE SOLUTIONS LLC
UEIMSF1PDAZ3A38CAGE82TN8
Location: HELOTES, TXSocio-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 expiringObligated, 36 mo: None on file
SPECTRUM CMI INC
UEIRL1XLVC1BTL4CAGE5W4G4
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 expiringObligated, 36 mo: None on file
SPERLING SERVICES LLC
UEICKVPTUZKJF98CAGE201G9
Location: VACAVILLE, CASocio-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 activeObligated, 36 mo: None on file
SPIRITUAL ORDER OF UNIVERSAL BEING A NJ NONPROFIT CORPORATION
UEIUTRFDF5N7PV3CAGE9ZR54
Location: CINNAMINSON, NJSocio-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 activeObligated, 36 mo: None on file
SPOTSTONE LLC
UEIQNDJCVLUPS97CAGE9JZS8
Location: ALEXANDRIA, 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 expiringObligated, 36 mo: None on file
SPRINGFIELD SOLUTIONS LLC
UEIXELFPZC1RR19CAGE0JXQ3
Location: ROSEBURG, ORSocio-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 activeObligated, 36 mo: None on file
SPS OPERATIONS TRUST
UEIMA6GVMHN9KA5CAGE22GD1
Location: OXON HILL, MDSocio-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 activeObligated, 36 mo: None on file
SRW SOLUTIONS LLC
UEIX7SEYK63EWV7CAGE9ZJ88
Location: BUFORD, GASocio-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 activeObligated, 36 mo: None on file
STACK21 SOLUTIONS LLC
UEIWCUPDNGEB2G9CAGE1CTA2
Location: HAVERSTRAW, NYSocio-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 activeObligated, 36 mo: None on file

Contractors listing NAICS 561611, page 244 of 273
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
SPARTAN-6 SECURITY, INC. UEIT8EHL82VV196CAGE9Q7H1 Location: VAN BUREN TWP, MISocio-economic status (SAM.gov): SBVOSB	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	None on file
SPARTAN DEFENSE GROUP LLC UEIQTFLGNB652A8CAGE9FGS0 Location: DALLAS, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	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	None on file
SPARTAN PRIVATE SECURITY INC UEIYNV9T55BY6S9CAGE9D8N0 Location: LAKE MARY, FLSocio-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	None on file
SPEARTIP, LLC UEIHRDGCD1LYJG4CAGE7QF56 Location: SAINT LOUIS, MO	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	None on file
SPECIAL CHILDREN'S CHARITY UEIM4PLEWA6LZS5CAGE11BU0 Location: PHOENIX, AZ	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	None on file
SPECIAL POLICE CONSTABLES STATE OF OHIO, MAHONING COUNTY INC UEIT5RKAESS6288CAGE4BPW4 Location: YOUNGSTOWN, OH	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	None on file
SPECIFIC PROTECTION CONSULTING LLC UEISTZNKM82TRY7CAGE25EC7 Location: OXON HILL, MDSocio-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	None on file
SPEC OPS SECURITY LLC UEITJLUQ6PBJAK1CAGE1ARZ6 Location: GRAND PRAIRIE, TX	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	None on file
SPECPRO MANAGEMENT SERVICES, LLC UEITQY1DQE29KN3CAGE7BHJ1 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBANC	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	None on file
SPECTOR SECURITY LLC UEISUSHP4SZLZ38CAGE8E6P2 Location: MOUNT PLEASANT, SCSocio-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	None on file
SPECTRA FORENSIC SERVICES LLC UEINV4PMNJBAPU5CAGE7MR99 Location: SAN ANTONIO, TX	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	None on file
SPECTRUM CANINE SOLUTIONS LLC UEIMSF1PDAZ3A38CAGE82TN8 Location: HELOTES, TXSocio-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 expiring	None on file
SPECTRUM CMI INC UEIRL1XLVC1BTL4CAGE5W4G4 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 expiring	None on file
SPERLING SERVICES LLC UEICKVPTUZKJF98CAGE201G9 Location: VACAVILLE, CASocio-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	None on file
SPIRITUAL ORDER OF UNIVERSAL BEING A NJ NONPROFIT CORPORATION UEIUTRFDF5N7PV3CAGE9ZR54 Location: CINNAMINSON, NJSocio-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	None on file
SPOTSTONE LLC UEIQNDJCVLUPS97CAGE9JZS8 Location: ALEXANDRIA, 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 expiring	None on file
SPRINGFIELD SOLUTIONS LLC UEIXELFPZC1RR19CAGE0JXQ3 Location: ROSEBURG, ORSocio-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	None on file
SPS OPERATIONS TRUST UEIMA6GVMHN9KA5CAGE22GD1 Location: OXON HILL, MDSocio-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	None on file
SRW SOLUTIONS LLC UEIX7SEYK63EWV7CAGE9ZJ88 Location: BUFORD, GASocio-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	None on file
STACK21 SOLUTIONS LLC UEIWCUPDNGEB2G9CAGE1CTA2 Location: HAVERSTRAW, NYSocio-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	None on file

Codes these contractors list most often alongside 561611: natural teaming adjacencies.

Investigation and Personal Background Check Services

Work this industry

Contractors listing NAICS 561611

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