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 781–800 of 10,115 contractors

EMERGENCY SECURITY, INC
UEIRKD2PF2KDKL9CAGE4MVW3
Location: WASHINGTON, DC
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
EMERGENT LIGHTING SYSTEMS LLC
UEISKWAW8WXWRV7CAGE4YFB8
Location: HARVEST, ALSocio-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
EMPOWER SECURITY CONTRACTORS CORP.
UEIE84ZFTL6B821CAGE845E8
Location: SAN JOSE, 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
ENCAPCYBER, LLC
UEITWB7WLF1L8K9CAGE17NX1
Location: SAINT CLOUD, FLSocio-economic status (SAM.gov): SBSDBWOSB
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
ENDEX, INC. OF TULSA
UEIS1ASJW5R6QB3CAGE4AWR1
Location: TULSA, OKSocio-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
ENERCOM SOLUTIONS LLC
UEIUS35TP6FHEH3CAGE96JY5
Location: TOMBALL, 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
ENGINEERED MONITORING SYSTEMS
UEIMDBBNZU5FF73CAGE1YAV8
Location: RANCHO CORDOVA, CASocio-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
ENGINEERED PROTECTION SYSTEMS, INC
UEIHSDNCNPAMF85CAGE3KEK5
Location: GRAND RAPIDS, MI
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
E.NORMAN SECURITY SYSTEMS, INC.
UEIR6F3CPTCAE85CAGE4KF08
Location: NAPERVILLE, ILSocio-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
ENSIGHT SECURITY SOLUTIONS INC.
UEIJMXMSAAYD7Z3CAGE8KNY6
Location: COUNTRYSIDE, IL
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
ENTERPRISE CONTROL SYSTEMS, INC.
DBA ENTERPRISE CONTROL SYSTEMS INC
UEIRLRNJGLCK1Y4CAGE3FU08
Location: KANSAS CITY, MOSocio-economic status (SAM.gov): SBSDBWOSB
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
ENTERPRISE SECURITY INC
UEIXBUFE9JMVML6CAGE26RA1
Location: TUCSON, AZSocio-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
ENTRU, LLC
UEIYHKRF73K7J71CAGE18CY6
Location: KALISPELL, MTSocio-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
ENTRY SHIELD SECURITY LLC
UEIYMTZLY1SQLC8CAGE0QGT9
Location: MOUNTAIN HOME, ARSocio-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
ESI SYSTEMS LLC
UEIH7S8M9CALMK4CAGE19P15
Location: LAFAYETTE, CO
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
ESITECH, INC.
UEIGX6MEGDGNMB5CAGE4JU48
Location: HENRICO, VASocio-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
ESI TECHNOLOGIES LLC
UEIU3XGCA9CVJE1CAGE14NJ6
Location: FORT COLLINS, COSocio-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
ESSENTIAL SECURITY SYSTEMS INC
UEICJLWHB9JKSM6CAGE98T18
Location: KINGS PARK, NY
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
ESSEX ALARM & SECURITY, INC
UEIY7C3BS5XF541CAGE11AD4
Location: BEVERLY, MASocio-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
ESS SECURITY SURVEYS LLC
UEIQ9WNYLTTRDC5CAGE1ALE3
Location: LAUREL, MD
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

Contractors listing NAICS 561621, page 40 of 506
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
EMERGENCY SECURITY, INC UEIRKD2PF2KDKL9CAGE4MVW3 Location: WASHINGTON, DC	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
EMERGENT LIGHTING SYSTEMS LLC UEISKWAW8WXWRV7CAGE4YFB8 Location: HARVEST, ALSocio-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
EMPOWER SECURITY CONTRACTORS CORP. UEIE84ZFTL6B821CAGE845E8 Location: SAN JOSE, 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
ENCAPCYBER, LLC UEITWB7WLF1L8K9CAGE17NX1 Location: SAINT CLOUD, FLSocio-economic status (SAM.gov): SBSDBWOSB	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
ENDEX, INC. OF TULSA UEIS1ASJW5R6QB3CAGE4AWR1 Location: TULSA, OKSocio-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
ENERCOM SOLUTIONS LLC UEIUS35TP6FHEH3CAGE96JY5 Location: TOMBALL, 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
ENGINEERED MONITORING SYSTEMS UEIMDBBNZU5FF73CAGE1YAV8 Location: RANCHO CORDOVA, CASocio-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
ENGINEERED PROTECTION SYSTEMS, INC UEIHSDNCNPAMF85CAGE3KEK5 Location: GRAND RAPIDS, MI	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
E.NORMAN SECURITY SYSTEMS, INC. UEIR6F3CPTCAE85CAGE4KF08 Location: NAPERVILLE, ILSocio-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
ENSIGHT SECURITY SOLUTIONS INC. UEIJMXMSAAYD7Z3CAGE8KNY6 Location: COUNTRYSIDE, IL	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
ENTERPRISE CONTROL SYSTEMS, INC. DBA ENTERPRISE CONTROL SYSTEMS INC UEIRLRNJGLCK1Y4CAGE3FU08 Location: KANSAS CITY, MOSocio-economic status (SAM.gov): SBSDBWOSB	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
ENTERPRISE SECURITY INC UEIXBUFE9JMVML6CAGE26RA1 Location: TUCSON, AZSocio-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
ENTRU, LLC UEIYHKRF73K7J71CAGE18CY6 Location: KALISPELL, MTSocio-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
ENTRY SHIELD SECURITY LLC UEIYMTZLY1SQLC8CAGE0QGT9 Location: MOUNTAIN HOME, ARSocio-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
ESI SYSTEMS LLC UEIH7S8M9CALMK4CAGE19P15 Location: LAFAYETTE, CO	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
ESITECH, INC. UEIGX6MEGDGNMB5CAGE4JU48 Location: HENRICO, VASocio-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
ESI TECHNOLOGIES LLC UEIU3XGCA9CVJE1CAGE14NJ6 Location: FORT COLLINS, COSocio-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
ESSENTIAL SECURITY SYSTEMS INC UEICJLWHB9JKSM6CAGE98T18 Location: KINGS PARK, NY	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
ESSEX ALARM & SECURITY, INC UEIY7C3BS5XF541CAGE11AD4 Location: BEVERLY, MASocio-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
ESS SECURITY SURVEYS LLC UEIQ9WNYLTTRDC5CAGE1ALE3 Location: LAUREL, MD	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

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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