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NAICS 561621 · Security Systems Services (except Locksmiths)

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Security systems in Ontario, CA

9 security systems in Ontario, CA; 326 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. A&L Systems LLC

    ActiveAlarm Company Operator

    Ontario, CA

    Ask it
    Proof for A&L Systems LLC
    License
    US-CA-DCA BSIS-ACO-8267
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Mar 31, 2028
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  2. Advanced Monitoring, Inc

    ActiveCorporation registered in SAM.gov

    Ontario, CA

    Ask it
    Proof for Advanced Monitoring, Inc
    SAM.gov registration
    US-GSA-SAM SY7HMCLAS9M8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 13, 2027
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  3. Advanced Monitoring, Inc.

    ActiveAlarm Company Operator

    Ontario, CA

    Ask it
    Proof for Advanced Monitoring, Inc.
    License
    US-CA-DCA BSIS-ACO-7765
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    May 31, 2028
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  4. Bay Alarm Company

    ActiveAlarm Company Branch

    Ontario, CA

    Ask it
    Proof for Bay Alarm Company
    License
    US-CA-DCA BSIS-ACB-5441
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Branch
    Expires
    Nov 30, 2028
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  5. D & R Protection Systems

    ActiveAlarm Company Operator

    Ontario, CA

    Ask it
    Proof for D & R Protection Systems
    License
    US-CA-DCA BSIS-ACO-3942
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  6. Hci Systems, Inc.

    ActiveAlarm Company Operator

    Ontario, CA

    Ask it
    Proof for Hci Systems, Inc.
    License
    US-CA-DCA BSIS-ACO-7180
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jul 31, 2028
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  7. Myne-Eufy Limited

    ActiveAlarm Company Operator

    Ontario, CA

    Ask it
    Proof for Myne-Eufy Limited
    License
    US-CA-DCA BSIS-ACO-8295
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Aug 31, 2028
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  8. R a M Security

    ActiveAlarm Company Operator

    Ontario, CA

    Ask it
    Proof for R a M Security
    License
    US-CA-DCA BSIS-ACO-4007
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Oct 31, 2027
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  9. Triton Global Services, Inc.

    ActivePrivate Patrol Operator+1

    Ontario, CA

    Ask it
    Proof for Triton Global Services, Inc.
    License
    US-CA-DCA BSIS-PPO-17135
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Patrol Operator; Alarm Company Operator
    Expires
    Nov 30, 2027
    Checked
    Oct 23, 2026
    Where
    Ontario, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  10. American Threat Assessment Consulting, Inc.

    ActiveCorporation registered in SAM.gov

    Rancho Cucamonga, CA · 5 mi away

    Ask it
    Proof for American Threat Assessment Consulting, Inc.
    SAM.gov registration
    US-GSA-SAM R4BKNJJ4ECJ7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 16, 2027
    Checked
    Oct 23, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  11. T R L Systems

    ActiveCorporation registered in SAM.gov

    Rancho Cucamonga, CA · 5 mi away

    Ask it
    Proof for T R L Systems
    SAM.gov registration
    US-GSA-SAM MRURKH7KHLZ5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 4, 2027
    Checked
    Oct 23, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  12. Alertone Service, Inc.

    ActiveAlarm Company Operator

    Rancho Cucamonga, CA · 5 mi away

    Ask it
    Proof for Alertone Service, Inc.
    License
    US-CA-DCA BSIS-ACO-7643
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Dec 31, 2026
    Checked
    Oct 23, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  13. American Threat Assessment Consulting Inc

    ActiveAlarm Company Operator

    Rancho Cucamonga, CA · 5 mi away

    Ask it
    Proof for American Threat Assessment Consulting Inc
    License
    US-CA-DCA BSIS-ACO-7816
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Oct 31, 2026
    Checked
    Oct 23, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  14. Thompson Systems, LLC

    ActiveAlarm Company Operator

    Rancho Cucamonga, CA · 5 mi away

    Ask it
    Proof for Thompson Systems, LLC
    License
    US-CA-DCA BSIS-ACO-8291
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jun 30, 2028
    Checked
    Oct 23, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  15. Trl Systems Inc

    ActiveAlarm Company Operator

    Rancho Cucamonga, CA · 5 mi away

    Ask it
    Proof for Trl Systems Inc
    License
    US-CA-DCA BSIS-ACO-2895
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jul 31, 2028
    Checked
    Oct 23, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  16. United Security Systems

    ActiveAlarm Company Operator

    Rancho Cucamonga, CA · 5 mi away

    Ask it
    Proof for United Security Systems
    License
    US-CA-DCA BSIS-ACO-4271
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Sep 30, 2027
    Checked
    Oct 23, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  17. Vector Resources Inc DBA Vectorusa

    ActiveAlarm Company Branch

    Rancho Cucamonga, CA · 5 mi away

    Ask it
    Proof for Vector Resources Inc DBA Vectorusa
    License
    US-CA-DCA BSIS-ACB-6002
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Branch
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  18. Acelevel Inc

    ActiveCorporation registered in SAM.gov

    Chino, CA · 5 mi away

    Ask it
    Proof for Acelevel Inc
    SAM.gov registration
    US-GSA-SAM RGH9JHL4NBG5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 10, 2027
    Checked
    Oct 23, 2026
    Where
    Chino, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  19. B&B Lock & Security

    ActiveCorporation registered in SAM.gov

    Chino, CA · 5 mi away

    Ask it
    Proof for B&B Lock & Security
    SAM.gov registration
    US-GSA-SAM FKETYH6GSLJ8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 26, 2027
    Checked
    Oct 23, 2026
    Where
    Chino, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  20. Clear Cloud Solutions, Clear Cloud Solutions, Inc.

    ActiveCorporation registered in SAM.gov

    Upland, CA · 6 mi away

    Ask it
    Proof for Clear Cloud Solutions, Clear Cloud Solutions, Inc.
    SAM.gov registration
    US-GSA-SAM R74EXX36UNE4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 8, 2027
    Checked
    Oct 23, 2026
    Where
    Upland, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

More cities in California

Livermore 82San Diego 51Sacramento 43Los Angeles 42Fresno 38San Jose 36Anaheim 23Bakersfield 23San Francisco 23Irvine 20Riverside 20Simi Valley 16El Cajon 15Stockton 15Corona 14Huntington Beach 14

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