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NAICS 561621 · Security Systems Services (except Locksmiths)

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Security systems in Glendora, CA

Security systems in Glendora, CA; 353 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. 24Hr Secured

    ActiveAlarm Company Operator

    Glendora, CA

    Ask it
    Proof for 24Hr Secured
    License
    US-CA-DCA BSIS-ACO-5657
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Nov 30, 2027
    Checked
    Oct 23, 2026
    Where
    Glendora, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  2. Fortress Security Systems

    ActiveAlarm Company Operator

    Glendora, CA

    Ask it
    Proof for Fortress Security Systems
    License
    US-CA-DCA BSIS-ACO-5335
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Oct 31, 2027
    Checked
    Oct 23, 2026
    Where
    Glendora, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  3. Noiron Alarm Systems, Inc.

    ActiveAlarm Company Operator

    Glendora, CA

    Ask it
    Proof for Noiron Alarm Systems, Inc.
    License
    US-CA-DCA BSIS-ACO-4528
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Dec 31, 2026
    Checked
    Oct 23, 2026
    Where
    Glendora, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  4. Avcom Systems Inc

    ActiveAlarm Company Operator

    San Dimas, CA · 3 mi away

    Ask it
    Proof for Avcom Systems Inc
    License
    US-CA-DCA BSIS-ACO-8155
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Sep 30, 2028
    Checked
    Oct 23, 2026
    Where
    San Dimas, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  5. California Security Systems

    ActiveAlarm Company Operator

    Covina, CA · 5 mi away

    Ask it
    Proof for California Security Systems
    License
    US-CA-DCA BSIS-ACO-6479
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jun 30, 2027
    Checked
    Oct 23, 2026
    Where
    Covina, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  6. Chips Security Systems

    ActiveAlarm Company Operator

    La Verne, CA · 5 mi away

    Ask it
    Proof for Chips Security Systems
    License
    US-CA-DCA BSIS-ACO-2116
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jan 31, 2027
    Checked
    Oct 23, 2026
    Where
    La Verne, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  7. D & H Fire Protection, Inc.

    ActiveAlarm Company Operator

    San Dimas, CA · 3 mi away

    Ask it
    Proof for D & H Fire Protection, Inc.
    License
    US-CA-DCA BSIS-ACO-8265
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Feb 29, 2028
    Checked
    Oct 23, 2026
    Where
    San Dimas, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  8. Rsm Security, Inc

    ActiveAlarm Company Operator

    San Dimas, CA · 3 mi away

    Ask it
    Proof for Rsm Security, Inc
    License
    US-CA-DCA BSIS-ACO-5828
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jan 31, 2027
    Checked
    Oct 23, 2026
    Where
    San Dimas, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  9. S & E High Tech Solutions

    ActiveAlarm Company Operator

    Covina, CA · 5 mi away

    Ask it
    Proof for S & E High Tech Solutions
    License
    US-CA-DCA BSIS-ACO-6454
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Covina, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  10. Secure Logic Systems

    ActiveAlarm Company Operator

    San Dimas, CA · 3 mi away

    Ask it
    Proof for Secure Logic Systems
    License
    US-CA-DCA BSIS-ACO-6465
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    May 31, 2027
    Checked
    Oct 23, 2026
    Where
    San Dimas, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  11. Security Dynamics Engineering, Inc. DBA Anti Crime Solutions

    ActiveAlarm Company Operator

    San Dimas, CA · 3 mi away

    Ask it
    Proof for Security Dynamics Engineering, Inc. DBA Anti Crime Solutions
    License
    US-CA-DCA BSIS-ACO-6470
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jun 30, 2027
    Checked
    Oct 23, 2026
    Where
    San Dimas, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  12. Source One Security

    ActiveAlarm Company Operator

    Covina, CA · 5 mi away

    Ask it
    Proof for Source One Security
    License
    US-CA-DCA BSIS-ACO-5595
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    May 31, 2027
    Checked
    Oct 23, 2026
    Where
    Covina, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  13. Statewide Alarm Systems

    ActiveAlarm Company Operator

    Covina, CA · 5 mi away

    Ask it
    Proof for Statewide Alarm Systems
    License
    US-CA-DCA BSIS-ACO-6107
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Dec 31, 2026
    Checked
    Oct 23, 2026
    Where
    Covina, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  14. Sunshine Security

    ActiveAlarm Company Operator

    Covina, CA · 5 mi away

    Ask it
    Proof for Sunshine Security
    License
    US-CA-DCA BSIS-ACO-7888
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Aug 31, 2027
    Checked
    Oct 23, 2026
    Where
    Covina, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  15. Redmann, Thomas, La Cctv Supply

    ActiveSole proprietorship registered in SAM.gov

    La Puente, CA · 9 mi away

    Ask it
    Proof for Redmann, Thomas, La Cctv Supply
    SAM.gov registration
    US-GSA-SAM SWMPRZZCNVK4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    May 21, 2027
    Checked
    Oct 23, 2026
    Where
    La Puente, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  16. Alarm Connection Plus, Inc.

    ActiveAlarm Company Operator

    Duarte, CA · 6 mi away

    Ask it
    Proof for Alarm Connection Plus, Inc.
    License
    US-CA-DCA BSIS-ACO-6667
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Dec 31, 2026
    Checked
    Oct 23, 2026
    Where
    Duarte, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  17. All Protection Services

    ActiveAlarm Company Operator

    Monrovia, CA · 9 mi away

    Ask it
    Proof for All Protection Services
    License
    US-CA-DCA BSIS-ACO-5419
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Mar 31, 2028
    Checked
    Oct 23, 2026
    Where
    Monrovia, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  18. Am-Tec Total Security

    ActiveAlarm Company Operator

    Chino, CA · 6 mi away

    Ask it
    Proof for Am-Tec Total Security
    License
    US-CA-DCA BSIS-ACO-4498
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Oct 31, 2027
    Checked
    Oct 23, 2026
    Where
    Chino, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  19. Coast Line

    ActiveAlarm Company Operator

    Irwindale, CA · 8 mi away

    Ask it
    Proof for Coast Line
    License
    US-CA-DCA BSIS-ACO-7622
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Sep 30, 2028
    Checked
    Oct 23, 2026
    Where
    Irwindale, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  20. Engineered Control Systems

    ActiveAlarm Company Operator

    City of Industry, CA · 9 mi away

    Ask it
    Proof for Engineered Control Systems
    License
    US-CA-DCA BSIS-ACO-6459
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    May 31, 2027
    Checked
    Oct 23, 2026
    Where
    City of Industry, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA 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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Checked facts from public license files · How ranking works