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.
- 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 5,441–5,460 of 10,104 contractors
- 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: None on file DGTCOMMUNICATIONS, LLC
UEIVSZAW4AG1JD6CAGE9DGB5Location: FREDERICKSBURG, 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: None on fileDH CONCEPTS GROUP LLC
UEIPGENGN4H2QH5CAGE91GV4Location: LEESBURG, VASocio-economic status (SAM.gov): SBWOSBEDWOSBSecondary 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: None on fileD & H FIRE PROTECTION INC.
DBA D & H FIRE PROTECTION INC
UEIYY45VL1A28P3CAGE93RM7Location: SAN DIMAS, CASocio-economic status (SAM.gov): SBSecondary 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: None on file- 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: None on file - 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: None on file DIADEM ENTERPRISES LLC
DBA DIADEM
UEICJ1BH52UD2L8CAGE9MY62Location: YORK, PASocio-economic status (SAM.gov): SBSDBSecondary 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: None on fileDIAK-WALDROP JV LLP
UEISWNFYG8K7M57CAGE101E6Location: NORMAN, OKSocio-economic status (SAM.gov): SBSDBWOSBSecondary 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: None on fileDIAMOND BUSINESS SERVICES, INC.
UEIFRPTK6SN7KE9CAGE1HW57Location: AMARILLO, TXSocio-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: None on fileDIAMOND INFORMATION SYSTEMS, L.L.C.
UEIRF1MRG3NDSF5CAGE3CQM5Location: ASHBURN, VASocio-economic status (SAM.gov): SBSecondary 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: None on fileDIAMOND RIDGE DEVELOPMENT CORPORATION
UEIJ8ZGHV8F3N77CAGE1ULX5Location: GLENDALE, AZSocio-economic status (SAM.gov): SBSDBWOSBSecondary 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: None on file- 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: None on file - 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: None on file DIGITAL AGILE TEAM, LLC
UEICK8QHVD83PL7CAGE9YHP5Location: FREDERICK, MDSocio-economic status (SAM.gov): SBSDBSecondary 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: None on fileDIGITAL AIR CONTROL, INC.
DBA DAC, INC
UEIXJDARWM5L3N8CAGE5AHU4Location: HOUSTON, 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: None on fileDIGITAL CAREER OPPORTUNITIES WORLDWIDE LLC
UEIVA8FN3KEPEB9CAGE0QPU7Location: BALTIMORE, MDSocio-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: None on fileDIGITALCM LLC
UEITUMJH7HYU7G8CAGE7HK84Location: TAMPA, FLSocio-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: None on fileDIGITAL MASONS LLC
UEIXQKZJAG643F7CAGE9K6D9Location: FREDERICK, MDSocio-economic status (SAM.gov): SBSecondary 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: None on fileDIGITAL SYSTEMS CORPORATION
DBA DIGITAL SYSTEMS CORP
UEIKNWTLE6U3RE1CAGE1SGK2Location: WALKERSVILLE, MDSecondary 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: None on fileDIGITAL SYSTEMS INTEGRATION INC
UEILL7PN6A38TC6CAGE9LLG9Location: MELBOURNE, FLSocio-economic status (SAM.gov): SBSecondary 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: None on file
| Company | This code | Compliance | SAM.gov | Obligated, 36 mo |
|---|---|---|---|---|
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 | |
UEIVSZAW4AG1JD6CAGE9DGB5 Location: FREDERICKSBURG, 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 | None on file |
UEIPGENGN4H2QH5CAGE91GV4 Location: LEESBURG, VASocio-economic status (SAM.gov): SBWOSBEDWOSB | 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 |
DBA D & H FIRE PROTECTION INC UEIYY45VL1A28P3CAGE93RM7 Location: SAN DIMAS, 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 |
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 | |
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 | |
DBA DIADEM UEICJ1BH52UD2L8CAGE9MY62 Location: YORK, PASocio-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 |
UEISWNFYG8K7M57CAGE101E6 Location: NORMAN, OKSocio-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 |
DIAMOND BUSINESS SERVICES, INC. UEIFRPTK6SN7KE9CAGE1HW57 Location: AMARILLO, 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 |
DIAMOND INFORMATION SYSTEMS, L.L.C. UEIRF1MRG3NDSF5CAGE3CQM5 Location: ASHBURN, 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 |
DIAMOND RIDGE DEVELOPMENT CORPORATION UEIJ8ZGHV8F3N77CAGE1ULX5 Location: GLENDALE, AZSocio-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 |
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 | |
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 | |
UEICK8QHVD83PL7CAGE9YHP5 Location: FREDERICK, MDSocio-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 |
DBA DAC, INC UEIXJDARWM5L3N8CAGE5AHU4 Location: HOUSTON, 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 | None on file |
DIGITAL CAREER OPPORTUNITIES WORLDWIDE LLC UEIVA8FN3KEPEB9CAGE0QPU7 Location: BALTIMORE, MDSocio-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 |
UEITUMJH7HYU7G8CAGE7HK84 Location: TAMPA, FLSocio-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 |
UEIXQKZJAG643F7CAGE9K6D9 Location: FREDERICK, 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 |
DBA DIGITAL SYSTEMS CORP UEIKNWTLE6U3RE1CAGE1SGK2 Location: WALKERSVILLE, MD | 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 | None on file |
DIGITAL SYSTEMS INTEGRATION INC UEILL7PN6A38TC6CAGE9LLG9 Location: MELBOURNE, FLSocio-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 |
Related industries
Codes these contractors list most often alongside 561621: natural teaming adjacencies.
- 238210Electrical Contractors and Other Wiring Installation Contractors4,359shared firms
- 541512Computer Systems Design Services4,142shared firms
- 541519Other Computer Related Services3,920shared firms
- 541611Administrative Management and General Management Consulting Services3,554shared firms
- 541690Other Scientific and Technical Consulting Services3,532shared firms
- 541330Engineering Services3,242shared firms
- 541511Custom Computer Programming Services3,156shared firms
- 541990All Other Professional, Scientific, and Technical Services3,150shared firms