NAICS 561621 · Administrative and Support and Waste Management and Remediation Services

Security Systems Services (except Locksmiths)

10,115 active contractors list NAICS 561621 (Security Systems Services (except Locksmiths)) in SAM.gov; 7,305 are small under its SBA size standard and 1,733 list it as their primary NAICS.

Learn more about NAICS size standards

Search with filters Small businesses only

Active contractors: 10,115
Small under 561621SBA size standard for this code: 7,305
Primary NAICSTheir main line of business: 1,733
Hidden registrationsExcluded, expired or inactive: 112

Work this industry

Live RFPs in this NAICS
Open SAM.gov solicitations coded 561621, matched to teaming partners.
Expiring awards
Incumbent contracts in 561621 heading to recompete in the next 18 months.
Small under 561621
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 561621

Claimed profiles come first by membership level, then companies with 561621 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

112 registrations hidden because they are excluded, expired or inactive in SAM.gov. Include them

Showing 1,421–1,440 of 10,115 contractors

SAY SECURITY GROUP USA LLC
UEISG5ADHL1DKD3CAGE39XC6
Location: ADA, OHSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 561621
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
SBS COMMUNICATIONS & CONSULTING LLC
UEIDGDLY1CS95F1CAGE269Q7
Location: PEWEE VALLEY, KYSocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary NAICSSmall under 561621
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
SCANSYS INC
UEICLJ3FP3PCYS8CAGE7DWY9
Location: CARSON, CASocio-economic status (SAM.gov): SB
Primary NAICSSmall under 561621
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
SCANTECH IDENTIFICATION BEAM SYSTEMS, LLC
UEIEMHGY4QTQLV7CAGE6JNV4
Location: BUFORD, GA
Primary NAICSNot listed as small under 561621
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
SCENTWORKSOLUTIONS LLC
UEIYKDFND9KKL47CAGE9P7M0
Location: COLUMBIA, SCSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
Primary NAICSSmall under 561621
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
SCHEIVERT SR MICHAEL J
DBA MJS SECURITY
UEIP7MBCL814K55CAGE4E7X6
Location: NORTH CHESTERFIELD, VASocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary NAICSSmall under 561621
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
S-CORE TECHNOLOGIES, LLC
UEIX9J2KKWEHJV5CAGE10P36
Location: OWINGS MILLS, MDSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 561621
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
SCYLLA TECHNOLOGIES INC.
DBA SCYLLA TECHNOLOGIES INC
UEIY7C5PL36DDM5CAGE98LL5
Location: AUSTIN, TX
Primary NAICSNot listed as small under 561621
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
SCYLLA WEST LLC
UEIGBPDQZT1Y236CAGE0QC26
Location: POLK CITY, IA
Primary NAICSNot listed as small under 561621
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
SECOM LLC
DBA SECOM SECURITY INTEGRATORS
UEIV4HKDF2L9SL9CAGE358H0
Location: COLUMBIA, MDSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 561621
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
SECRET COAST SECURITY AND AV, LLC
UEIZBEPPGHUFTQ2CAGE9CP92
Location: DIBERVILLE, MSSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 561621
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
SEC-TRON INC
UEIW5HNJG91Z571CAGE2X844
Location: CINCINNATI, OH
Primary NAICSNot listed as small under 561621
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
SECUFIRE, LLC
UEIKMNSXC8MZ9K3CAGE11GU9
Location: KNOXVILLE, TNSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 561621
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
SECURADYNE SYSTEMS TEXAS LLC
UEIH1JTEGRNB815CAGE6Q555
Location: DALLAS, TX
Primary NAICSNot listed as small under 561621
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
SECURALL SECURITY SYSTEMS, LLC
DBA SECURALL
UEIRENBC56PHNE7CAGE116Y2
Location: PRESTONSBURG, KYSocio-economic status (SAM.gov): SBSDB
Primary NAICSSmall under 561621
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
SECURE ACCESS & DIGITAL SYSTEMS, LLC
UEIDNA7K2L7B8P3CAGE11WM5
Location: LONG BEACH, NYSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 561621
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
SECURE A HOME INC
UEIED7LWFWNJZ95CAGE8BDC1
Location: READING, PASocio-economic status (SAM.gov): SBWOSB
Primary NAICSSmall under 561621
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
SECURE APPS, LLC
UEIH17GCSTTSJD9CAGE7W1F1
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB
Primary NAICSSmall under 561621
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
SECURE AUTOMATION & INTEGRATION LLC
UEIJBCMBDLSL894CAGE6RKF3
Location: FIRESTONE, COSocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary NAICSSmall under 561621
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
SECURECONNECT USA LLC
UEIRPN3NQT68RV5CAGE21QJ2
Location: SHERIDAN, ARSocio-economic status (SAM.gov): SB
Primary NAICSSmall under 561621
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 561621, page 72 of 506
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
SAY SECURITY GROUP USA LLC UEISG5ADHL1DKD3CAGE39XC6 Location: ADA, OHSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 561621	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
SBS COMMUNICATIONS & CONSULTING LLC UEIDGDLY1CS95F1CAGE269Q7 Location: PEWEE VALLEY, KYSocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary NAICSSmall under 561621	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
SCANSYS INC UEICLJ3FP3PCYS8CAGE7DWY9 Location: CARSON, CASocio-economic status (SAM.gov): SB	Primary NAICSSmall under 561621	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
SCANTECH IDENTIFICATION BEAM SYSTEMS, LLC UEIEMHGY4QTQLV7CAGE6JNV4 Location: BUFORD, GA	Primary NAICSNot listed as small under 561621	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
SCENTWORKSOLUTIONS LLC UEIYKDFND9KKL47CAGE9P7M0 Location: COLUMBIA, SCSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	Primary NAICSSmall under 561621	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
SCHEIVERT SR MICHAEL J DBA MJS SECURITY UEIP7MBCL814K55CAGE4E7X6 Location: NORTH CHESTERFIELD, VASocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary NAICSSmall under 561621	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
S-CORE TECHNOLOGIES, LLC UEIX9J2KKWEHJV5CAGE10P36 Location: OWINGS MILLS, MDSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 561621	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
SCYLLA TECHNOLOGIES INC. DBA SCYLLA TECHNOLOGIES INC UEIY7C5PL36DDM5CAGE98LL5 Location: AUSTIN, TX	Primary NAICSNot listed as small under 561621	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
SCYLLA WEST LLC UEIGBPDQZT1Y236CAGE0QC26 Location: POLK CITY, IA	Primary NAICSNot listed as small under 561621	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
SECOM LLC DBA SECOM SECURITY INTEGRATORS UEIV4HKDF2L9SL9CAGE358H0 Location: COLUMBIA, MDSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 561621	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
SECRET COAST SECURITY AND AV, LLC UEIZBEPPGHUFTQ2CAGE9CP92 Location: DIBERVILLE, MSSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 561621	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
SEC-TRON INC UEIW5HNJG91Z571CAGE2X844 Location: CINCINNATI, OH	Primary NAICSNot listed as small under 561621	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
SECUFIRE, LLC UEIKMNSXC8MZ9K3CAGE11GU9 Location: KNOXVILLE, TNSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 561621	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
SECURADYNE SYSTEMS TEXAS LLC UEIH1JTEGRNB815CAGE6Q555 Location: DALLAS, TX	Primary NAICSNot listed as small under 561621	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
SECURALL SECURITY SYSTEMS, LLC DBA SECURALL UEIRENBC56PHNE7CAGE116Y2 Location: PRESTONSBURG, KYSocio-economic status (SAM.gov): SBSDB	Primary NAICSSmall under 561621	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
SECURE ACCESS & DIGITAL SYSTEMS, LLC UEIDNA7K2L7B8P3CAGE11WM5 Location: LONG BEACH, NYSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 561621	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
SECURE A HOME INC UEIED7LWFWNJZ95CAGE8BDC1 Location: READING, PASocio-economic status (SAM.gov): SBWOSB	Primary NAICSSmall under 561621	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
SECURE APPS, LLC UEIH17GCSTTSJD9CAGE7W1F1 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDBVOSBSDVOSB	Primary NAICSSmall under 561621	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
SECURE AUTOMATION & INTEGRATION LLC UEIJBCMBDLSL894CAGE6RKF3 Location: FIRESTONE, COSocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary NAICSSmall under 561621	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
SECURECONNECT USA LLC UEIRPN3NQT68RV5CAGE21QJ2 Location: SHERIDAN, ARSocio-economic status (SAM.gov): SB	Primary NAICSSmall under 561621	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 561621: natural teaming adjacencies.

Security Systems Services (except Locksmiths)

Work this industry

Contractors listing NAICS 561621

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