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NAICS 561621 · Security Systems Services (except Locksmiths)

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Security systems in El Cajon, CA

15 security systems in El Cajon, CA; 103 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Dynamic Systems Services Inc

    ActiveCorporation registered in SAM.gov

    El Cajon, CA

    Ask it
    Proof for Dynamic Systems Services Inc
    SAM.gov registration
    US-GSA-SAM UFKRFJUMP5Y8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 15, 2027
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  2. Addax Electric,Inc

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Addax Electric,Inc
    License
    US-CA-DCA BSIS-ACO-7310
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    May 31, 2027
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  3. Alarm Relay Incorporated

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Alarm Relay Incorporated
    License
    US-CA-DCA BSIS-ACO-5603
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jun 30, 2027
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  4. All Secure Protection Services

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for All Secure Protection Services
    License
    US-CA-DCA BSIS-ACO-8025
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Dec 31, 2027
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  5. Andrus Integrated Solutions Inc.

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Andrus Integrated Solutions Inc.
    License
    US-CA-DCA BSIS-ACO-8260
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Feb 29, 2028
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  6. Andrus Smart Technologies, Inc.

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Andrus Smart Technologies, Inc.
    License
    US-CA-DCA BSIS-ACO-8288
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    May 31, 2028
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  7. Automated Interiors

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Automated Interiors
    License
    US-CA-DCA BSIS-ACO-7908
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Nov 30, 2027
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  8. Construction Electronics Inc

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Construction Electronics Inc
    License
    US-CA-DCA BSIS-ACO-1127
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Dec 31, 2026
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  9. Emcom

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Emcom
    License
    US-CA-DCA BSIS-ACO-3838
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Sep 30, 2028
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  10. Nova Security

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Nova Security
    License
    US-CA-DCA BSIS-ACO-5672
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jan 31, 2028
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  11. Reel Technologies, Inc.

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Reel Technologies, Inc.
    License
    US-CA-DCA BSIS-ACO-7918
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Nov 30, 2027
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  12. Silverstrand Technologies, Inc.

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Silverstrand Technologies, Inc.
    License
    US-CA-DCA BSIS-ACO-7460
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Sep 30, 2028
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  13. Simplified Technologies, Inc.

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Simplified Technologies, Inc.
    License
    US-CA-DCA BSIS-ACO-8031
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jan 31, 2028
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  14. Sunshine Communications Inc DBA Sci Alarms

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for Sunshine Communications Inc DBA Sci Alarms
    License
    US-CA-DCA BSIS-ACO-8028
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Dec 31, 2027
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  15. The Watchlight Corporation

    ActiveAlarm Company Operator

    El Cajon, CA

    Ask it
    Proof for The Watchlight Corporation
    License
    US-CA-DCA BSIS-ACO-7757
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Apr 30, 2028
    Checked
    Oct 23, 2026
    Where
    El Cajon, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  16. Dotworkz

    ActiveCorporation registered in SAM.gov

    Santee, CA · 4 mi away

    Ask it
    Proof for Dotworkz
    SAM.gov registration
    US-GSA-SAM VWNHS7LLE8S6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 4, 2027
    Checked
    Oct 23, 2026
    Where
    Santee, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  17. Usrelay Corp

    ActiveCorporation registered in SAM.gov

    Santee, CA · 4 mi away

    Ask it
    Proof for Usrelay Corp
    SAM.gov registration
    US-GSA-SAM UZW6CX66CNN6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 20, 2027
    Checked
    Oct 23, 2026
    Where
    Santee, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  18. Integrated Alarm Technologies Inc

    ActiveAlarm Company Operator

    La Mesa, CA · 4 mi away

    Ask it
    Proof for Integrated Alarm Technologies Inc
    License
    US-CA-DCA BSIS-ACO-5879
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    May 31, 2027
    Checked
    Oct 23, 2026
    Where
    La Mesa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  19. Precision Connect LLC

    ActiveAlarm Company Operator

    La Mesa, CA · 4 mi away

    Ask it
    Proof for Precision Connect LLC
    License
    US-CA-DCA BSIS-ACO-8303
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Aug 31, 2028
    Checked
    Oct 23, 2026
    Where
    La Mesa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  20. T N T Security Systems

    ActiveAlarm Company Operator

    La Mesa, CA · 4 mi away

    Ask it
    Proof for T N T Security Systems
    License
    US-CA-DCA BSIS-ACO-4562
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    La Mesa, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

More cities in California

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