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.
- 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 1,941–1,960 of 10,115 contractors
ATSG CORPORATION
DBA ATSG
UEIFVGVB1TCXNB3CAGE3X5P5Location: LORTON, VASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 561621CMMCNo 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: $122.4M ($122,418,438)ASRC FEDERAL ADVANCED RESEARCH, LLC
UEIHQ6BEJMMEYJ3CAGE8EWY6Location: BELTSVILLE, MDSocio-economic status (SAM.gov): SBSDB8(a)ANCSecondary NAICSSmall under 561621CMMCNo 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: $121.7M ($121,674,895)CHEROKEE NATION DEFENSE SOLUTIONS LLC
UEICVEMGYV2YJW1CAGE57ZD8Location: TULSA, OKSocio-economic status (SAM.gov): SBSDB8(a)TribalSecondary NAICSNot listed as small under 561621CMMCNo 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: $121.7M ($121,656,057)KAIVA TECH, LLC
UEILJHDHAE4FB75CAGE8N8J5Location: IVINS, UTSocio-economic status (SAM.gov): SDB8(a)HUBZoneTribalSecondary NAICSNot listed as small under 561621CMMCNo 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: $121.6M ($121,618,932)- Secondary NAICSNot listed as small under 561621CMMCNo 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: $121.6M ($121,576,871) TRUESTONE, LLC
UEIF8Q6Q81LJW84CAGE3NBM3Location: HERNDON, VASocio-economic status (SAM.gov): SBSDBANCTribalSecondary NAICSSmall under 561621CMMCNo 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: $120.9M ($120,850,179)JC TECHNOLOGY INC
DBA ACE COMPUTERS
UEIKPFHGJDW5115CAGE1PWX7Location: DES PLAINES, ILSocio-economic status (SAM.gov): SBSecondary NAICSNot listed as small under 561621CMMCNo 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: $120M ($119,962,301)- Secondary NAICSNot listed as small under 561621CMMCNo 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: $116.7M ($116,666,048) TACTICA SOLUTIONS LLC
UEIMMVTH79S6ZB5CAGE83ZZ1Location: FAYETTEVILLE, TNSocio-economic status (SAM.gov): SBSDB8(a)Secondary NAICSSmall under 561621CMMCNo 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: $116.2M ($116,213,629)ARROW ARC LLC
UEIK6BVRM8LQ4Q8CAGE9DC55Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 561621CMMCNo 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: $115.9M ($115,905,066)EDGESOURCE CORPORATION
UEIETYTVVN1FCQ4CAGE1C5Q3Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SBSecondary NAICSNot listed as small under 561621CMMCNo 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: $115.5M ($115,468,039)MODULAR MANAGEMENT GROUP INC
UEICYU2FMJ3JM58CAGE46Y71Location: FORT WORTH, TXSocio-economic status (SAM.gov): SBSecondary NAICSNot listed as small under 561621CMMCNo 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: $114.2M ($114,237,502)SEVENTH DIMENSION, LLC
UEIHUH6MX1KVMP3CAGE6WRQ6Location: MOCKSVILLE, NCSocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 561621CMMCNo 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: $113.9M ($113,929,515)PARSONS GOVERNMENT SERVICES INTERNATIONAL INC.
DBA PARSONS
UEIE8E4EKJKKJW7CAGE1R1K2Location: PASADENA, CASecondary NAICSNot listed as small under 561621CMMCNo 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: $113.1M ($113,053,129)FRONTLINE KING GEORGE JV LLC
UEIFLZPT7T3Y968CAGE8KLM8Location: SILVER SPRING, MDSocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSSmall under 561621CMMCNo 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: $112.6M ($112,591,052)- Secondary NAICSSmall under 561621CMMCNo 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: $111.4M ($111,372,719) - Secondary NAICSNot listed as small under 561621CMMCNo 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: $111M ($110,969,429) USMAX CORPORATION
DBA US MAX CORP
UEIL1CETZZ5GBG3CAGE1QK65Location: FAIRFAX, VASocio-economic status (SAM.gov): SBWOSBSecondary NAICSSmall under 561621CMMCNo 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: $109.3M ($109,331,223)RMGS INC
UEIG257GNLVGAX5CAGE57NE1Location: VIRGINIA BEACH, VASocio-economic status (SAM.gov): SBVOSBSDVOSBSecondary NAICSNot listed as small under 561621CMMCNo 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: $108.9M ($108,901,467)BOWHEAD ENTERPRISE, SCIENCE AND TECHNOLOGY, LLC
UEIM5LUG7KAKEJ4CAGE7Z7B6Location: SPRINGFIELD, VASocio-economic status (SAM.gov): SBSDB8(a)ANCSecondary NAICSSmall under 561621CMMCNo 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: $107.9M ($107,943,355)
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
DBA ATSG UEIFVGVB1TCXNB3CAGE3X5P5 Location: LORTON, VASocio-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 | $122.4M ($122,418,438) |
ASRC FEDERAL ADVANCED RESEARCH, LLC UEIHQ6BEJMMEYJ3CAGE8EWY6 Location: BELTSVILLE, MDSocio-economic status (SAM.gov): SBSDB8(a)ANC | 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 | $121.7M ($121,674,895) |
CHEROKEE NATION DEFENSE SOLUTIONS LLC UEICVEMGYV2YJW1CAGE57ZD8 Location: TULSA, OKSocio-economic status (SAM.gov): SBSDB8(a)Tribal | 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 | $121.7M ($121,656,057) |
UEILJHDHAE4FB75CAGE8N8J5 Location: IVINS, UTSocio-economic status (SAM.gov): SDB8(a)HUBZoneTribal | 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 | $121.6M ($121,618,932) |
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 expiring | $121.6M ($121,576,871) | |
UEIF8Q6Q81LJW84CAGE3NBM3 Location: HERNDON, VASocio-economic status (SAM.gov): SBSDBANCTribal | 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 | $120.9M ($120,850,179) |
DBA ACE COMPUTERS UEIKPFHGJDW5115CAGE1PWX7 Location: DES PLAINES, ILSocio-economic status (SAM.gov): SB | 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 | $120M ($119,962,301) |
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 | $116.7M ($116,666,048) | |
UEIMMVTH79S6ZB5CAGE83ZZ1 Location: FAYETTEVILLE, TNSocio-economic status (SAM.gov): SBSDB8(a) | 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 | $116.2M ($116,213,629) |
UEIK6BVRM8LQ4Q8CAGE9DC55 Location: ALEXANDRIA, VASocio-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 | $115.9M ($115,905,066) |
UEIETYTVVN1FCQ4CAGE1C5Q3 Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SB | 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 | $115.5M ($115,468,039) |
UEICYU2FMJ3JM58CAGE46Y71 Location: FORT WORTH, TXSocio-economic status (SAM.gov): SB | 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 | $114.2M ($114,237,502) |
UEIHUH6MX1KVMP3CAGE6WRQ6 Location: MOCKSVILLE, NCSocio-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 | $113.9M ($113,929,515) |
PARSONS GOVERNMENT SERVICES INTERNATIONAL INC. DBA PARSONS UEIE8E4EKJKKJW7CAGE1R1K2 Location: PASADENA, 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 | $113.1M ($113,053,129) |
UEIFLZPT7T3Y968CAGE8KLM8 Location: SILVER SPRING, MDSocio-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 | $112.6M ($112,591,052) |
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 | $111.4M ($111,372,719) | |
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 | $111M ($110,969,429) | |
DBA US MAX CORP UEIL1CETZZ5GBG3CAGE1QK65 Location: FAIRFAX, 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 | $109.3M ($109,331,223) |
UEIG257GNLVGAX5CAGE57NE1 Location: VIRGINIA BEACH, VASocio-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 | $108.9M ($108,901,467) |
BOWHEAD ENTERPRISE, SCIENCE AND TECHNOLOGY, LLC UEIM5LUG7KAKEJ4CAGE7Z7B6 Location: SPRINGFIELD, VASocio-economic status (SAM.gov): SBSDB8(a)ANC | 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 | $107.9M ($107,943,355) |
Related industries
Codes these contractors list most often alongside 561621: natural teaming adjacencies.
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- 541512Computer Systems Design Services4,144shared firms
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