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

Security Systems Services (except Locksmiths)

10,104 active contractors list NAICS 561621 (Security Systems Services (except Locksmiths)) in SAM.gov; 7,308 are small under its SBA size standard and 1,732 list it as their primary NAICS.

Learn more about NAICS size standards

Search with filters Small businesses only

Active contractors: 10,104
Small under 561621SBA size standard for this code: 7,308
Primary NAICSTheir main line of business: 1,732
Hidden registrationsExcluded, expired or inactive: 123

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

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

Showing 5,221–5,240 of 10,104 contractors

CYBRILL LLC
UEIWH1FYVLXFJG5CAGE8K0G0
Location: MIAMISBURG, OHSocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary 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
CYBRX LLC
DBA LOCKSMITH CYBRX
UEIWF9YYNX9L8Z1CAGE11Q69
Location: PITTSBURGH, PASocio-economic status (SAM.gov): SB
Secondary 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
CYDAPTIV SOLUTIONS INC
UEIYUXRNXBQKKQ4CAGE76AA8
Location: ROCKVILLE, MDSocio-economic status (SAM.gov): SB
Secondary 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
CYDOFFENSE LLC
UEITKGRYY7FKW33CAGE9XVK4
Location: MANASSAS, VASocio-economic status (SAM.gov): SB
Secondary 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
CYNITRA INFORMATION SYSTEMS LLC
DBA IAMCYNITRA
UEIPNC4DZ53M265CAGE9KHX7
Location: SHELBY, NCSocio-economic status (SAM.gov): SBSDBWOSBEDWOSBVOSBSDVOSB
Secondary 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
CYNRGI LABS INC
UEIN9R8FRXMANU6CAGE8WG89
Location: PASADENA, CASocio-economic status (SAM.gov): SB
Secondary 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
CYPHERBILT LLC
UEINX4DXAJG6FG4CAGE1Z3H3
Location: WASHINGTON, DCSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSB
Secondary 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
CYPHERLOK INDUSTRIES, LLC
UEIQYEGB866USD5CAGE10Q59
Location: LAGRANGE, GASocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary 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
CYPHYTEK, LLC
UEICM74QSK2NCF5CAGE0QTF0
Location: SAN MARCOS, CA
Secondary 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
CYPRESS COMMUNICATION SYSTEMS LLC
UEIWGLZM12QG7W5CAGE5GHN8
Location: CORRALES, NMSocio-economic status (SAM.gov): SB
Secondary 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
CYPREXX SERVICES LLC
UEISB9LM9EYJB55CAGE7YF01
Location: BRANDON, FL
Secondary 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
CYRAXO LLC
UEIQK4VVEEVGGD1CAGE244N4
Location: HOUSTON, TXSocio-economic status (SAM.gov): SBSDBWOSB
Secondary 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
CYSERO, LLC
UEIXXDNSVKSKXP4CAGE9KWP1
Location: NEW YORK, NYSocio-economic status (SAM.gov): SBSDB
Secondary 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
CYSON TECHNOLOGY GROUP LLC
UEIM1LCKKLMTR53CAGE6D5H1
Location: HOUSTON, TXSocio-economic status (SAM.gov): SBWOSB
Secondary 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
CYTECHNICA, LLC
UEIUC9GF3BTTJG5CAGE9M8L0
Location: HARRISONBURG, VASocio-economic status (SAM.gov): SBHUBZone
Secondary 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
CYTHERIAN LLC
UEILGPDDCMS3833CAGE35PE3
Location: ANNAPOLIS, MDSocio-economic status (SAM.gov): SB
Secondary 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
CZI ENTERPRISES, INC.
UEIJMWPN6Y2EGF5CAGE8MT75
Location: SNELLVILLE, GASocio-economic status (SAM.gov): SBSDBWOSB
Secondary 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
D1 SOLUTIONS, LLC
UEINAGJKTPKBDM7CAGE9MFB8
Location: VIENNA, VASocio-economic status (SAM.gov): SBWOSB
Secondary 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
D3 SECURE LLC
UEIUPZ6EXLU8K47CAGE20NE7
Location: PULASKI, TNSocio-economic status (SAM.gov): SBVOSB
Secondary 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
D3 WORKS LLC
UEIGTE6CUK5QSN3CAGE15AX8
Location: WILMINGTON, NCSocio-economic status (SAM.gov): SB
Secondary 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 262 of 506
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
CYBRILL LLC UEIWH1FYVLXFJG5CAGE8K0G0 Location: MIAMISBURG, OHSocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary 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
CYBRX LLC DBA LOCKSMITH CYBRX UEIWF9YYNX9L8Z1CAGE11Q69 Location: PITTSBURGH, PASocio-economic status (SAM.gov): SB	Secondary 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
CYDAPTIV SOLUTIONS INC UEIYUXRNXBQKKQ4CAGE76AA8 Location: ROCKVILLE, MDSocio-economic status (SAM.gov): SB	Secondary 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
CYDOFFENSE LLC UEITKGRYY7FKW33CAGE9XVK4 Location: MANASSAS, VASocio-economic status (SAM.gov): SB	Secondary 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
CYNITRA INFORMATION SYSTEMS LLC DBA IAMCYNITRA UEIPNC4DZ53M265CAGE9KHX7 Location: SHELBY, NCSocio-economic status (SAM.gov): SBSDBWOSBEDWOSBVOSBSDVOSB	Secondary 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
CYNRGI LABS INC UEIN9R8FRXMANU6CAGE8WG89 Location: PASADENA, CASocio-economic status (SAM.gov): SB	Secondary 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
CYPHERBILT LLC UEINX4DXAJG6FG4CAGE1Z3H3 Location: WASHINGTON, DCSocio-economic status (SAM.gov): SBWOSBVOSBSDVOSB	Secondary 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
CYPHERLOK INDUSTRIES, LLC UEIQYEGB866USD5CAGE10Q59 Location: LAGRANGE, GASocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary 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
CYPHYTEK, LLC UEICM74QSK2NCF5CAGE0QTF0 Location: SAN MARCOS, CA	Secondary 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
CYPRESS COMMUNICATION SYSTEMS LLC UEIWGLZM12QG7W5CAGE5GHN8 Location: CORRALES, NMSocio-economic status (SAM.gov): SB	Secondary 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
CYPREXX SERVICES LLC UEISB9LM9EYJB55CAGE7YF01 Location: BRANDON, FL	Secondary 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
CYRAXO LLC UEIQK4VVEEVGGD1CAGE244N4 Location: HOUSTON, TXSocio-economic status (SAM.gov): SBSDBWOSB	Secondary 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
CYSERO, LLC UEIXXDNSVKSKXP4CAGE9KWP1 Location: NEW YORK, NYSocio-economic status (SAM.gov): SBSDB	Secondary 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
CYSON TECHNOLOGY GROUP LLC UEIM1LCKKLMTR53CAGE6D5H1 Location: HOUSTON, TXSocio-economic status (SAM.gov): SBWOSB	Secondary 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
CYTECHNICA, LLC UEIUC9GF3BTTJG5CAGE9M8L0 Location: HARRISONBURG, VASocio-economic status (SAM.gov): SBHUBZone	Secondary 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
CYTHERIAN LLC UEILGPDDCMS3833CAGE35PE3 Location: ANNAPOLIS, MDSocio-economic status (SAM.gov): SB	Secondary 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
CZI ENTERPRISES, INC. UEIJMWPN6Y2EGF5CAGE8MT75 Location: SNELLVILLE, GASocio-economic status (SAM.gov): SBSDBWOSB	Secondary 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
D1 SOLUTIONS, LLC UEINAGJKTPKBDM7CAGE9MFB8 Location: VIENNA, VASocio-economic status (SAM.gov): SBWOSB	Secondary 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
D3 SECURE LLC UEIUPZ6EXLU8K47CAGE20NE7 Location: PULASKI, TNSocio-economic status (SAM.gov): SBVOSB	Secondary 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
D3 WORKS LLC UEIGTE6CUK5QSN3CAGE15AX8 Location: WILMINGTON, NCSocio-economic status (SAM.gov): SB	Secondary 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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