DouxProcess Directory
Add to your AI

Ask for any business in the US.

NAICS 561621 · Security Systems Services (except Locksmiths)

you asked:

Security systems in Simi Valley, CA

16 security systems in Simi Valley, CA; 221 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. 805 Security Systems

    ActiveAlarm Company Operator

    Thousand Oaks, CA · 7 mi away

    Ask it
    Proof for 805 Security Systems
    License
    US-CA-DCA BSIS-ACO-8279
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Apr 30, 2028
    Checked
    Oct 23, 2026
    Where
    Thousand Oaks, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  2. A B Electronics

    ActiveAlarm Company Operator

    Canoga Park, CA · 7 mi away

    Ask it
    Proof for A B Electronics
    License
    US-CA-DCA BSIS-ACO-2575
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Mar 31, 2027
    Checked
    Oct 23, 2026
    Where
    Canoga Park, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  3. Aaa Electronics

    ActiveAlarm Company Operator

    Woodland Hills, CA · 10 mi away

    Ask it
    Proof for Aaa Electronics
    License
    US-CA-DCA BSIS-ACO-7741
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Feb 29, 2028
    Checked
    Oct 23, 2026
    Where
    Woodland Hills, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  4. Acs Security Inc

    ActiveAlarm Company Operator+1

    Chatsworth, CA · 9 mi away

    Ask it
    Proof for Acs Security Inc
    License
    US-CA-DCA BSIS-ACO-7315
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator; Alarm Company Branch
    Expires
    May 31, 2027
    Checked
    Oct 23, 2026
    Where
    Chatsworth, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  5. Acs Security Inc.

    ActiveAlarm Company Branch

    Chatsworth, CA · 9 mi away

    Ask it
    Proof for Acs Security Inc.
    License
    US-CA-DCA BSIS-ACB-5987
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Branch
    Expires
    Dec 31, 2027
    Checked
    Oct 23, 2026
    Where
    Chatsworth, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  6. Alarming Security

    ActiveAlarm Company Operator

    Woodland Hills, CA · 10 mi away

    Ask it
    Proof for Alarming Security
    License
    US-CA-DCA BSIS-ACO-4222
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Woodland Hills, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  7. Am House Inc

    ActiveAlarm Company Operator

    Chatsworth, CA · 9 mi away

    Ask it
    Proof for Am House Inc
    License
    US-CA-DCA BSIS-ACO-8081
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Mar 31, 2027
    Checked
    Oct 23, 2026
    Where
    Chatsworth, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  8. Aps Security Systems, Inc.

    ActiveAlarm Company Operator

    West Hills, CA · 7 mi away

    Ask it
    Proof for Aps Security Systems, Inc.
    License
    US-CA-DCA BSIS-ACO-7025
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jun 30, 2027
    Checked
    Oct 23, 2026
    Where
    West Hills, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  9. Black Owl Security Inc

    ActiveAlarm Company Operator

    Woodland Hills, CA · 10 mi away

    Ask it
    Proof for Black Owl Security Inc
    License
    US-CA-DCA BSIS-ACO-7980
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jan 31, 2027
    Checked
    Oct 23, 2026
    Where
    Woodland Hills, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  10. C M P E - California Marketing Protection Enterprise

    ActiveAlarm Company Operator

    West Hills, CA · 7 mi away

    Ask it
    Proof for C M P E - California Marketing Protection Enterprise
    License
    US-CA-DCA BSIS-ACO-5909
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jul 31, 2027
    Checked
    Oct 23, 2026
    Where
    West Hills, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  11. California Security Concepts

    ActiveAlarm Company Operator

    Thousand Oaks, CA · 9 mi away

    Ask it
    Proof for California Security Concepts
    License
    US-CA-DCA BSIS-ACO-5360
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Dec 31, 2027
    Checked
    Oct 23, 2026
    Where
    Thousand Oaks, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  12. Creative Security Systems

    ActiveAlarm Company Operator

    Thousand Oaks, CA · 9 mi away

    Ask it
    Proof for Creative Security Systems
    License
    US-CA-DCA BSIS-ACO-2774
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jan 31, 2028
    Checked
    Oct 23, 2026
    Where
    Thousand Oaks, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  13. Eshsecurity, Inc

    ActiveAlarm Company Operator

    Canoga Park, CA · 7 mi away

    Ask it
    Proof for Eshsecurity, Inc
    License
    US-CA-DCA BSIS-ACO-7897
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Sep 30, 2027
    Checked
    Oct 23, 2026
    Where
    Canoga Park, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  14. Gates Security Systems

    ActiveAlarm Company Branch

    Thousand Oaks, CA · 8 mi away

    Ask it
    Proof for Gates Security Systems
    License
    US-CA-DCA BSIS-ACB-5483
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Branch
    Expires
    Jan 31, 2028
    Checked
    Oct 23, 2026
    Where
    Thousand Oaks, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  15. Gates Security Systems

    ActiveAlarm Company Operator

    Thousand Oaks, CA · 8 mi away

    Ask it
    Proof for Gates Security Systems
    License
    US-CA-DCA BSIS-ACO-6002
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Mar 31, 2028
    Checked
    Oct 23, 2026
    Where
    Thousand Oaks, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  16. Guardian Integrated Security

    ActiveAlarm Company Operator

    Chatsworth, CA · 9 mi away

    Ask it
    Proof for Guardian Integrated Security
    License
    US-CA-DCA BSIS-ACO-7370
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Oct 31, 2027
    Checked
    Oct 23, 2026
    Where
    Chatsworth, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  17. Guardian Integrated Security, Inc.

    ActivePrivate Patrol Operator+1

    Chatsworth, CA · 9 mi away

    Ask it
    Proof for Guardian Integrated Security, Inc.
    License
    US-CA-DCA BSIS-PPO-121089
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Private Patrol Operator; Alarm Company Operator
    Expires
    Feb 28, 2027
    Checked
    Oct 23, 2026
    Where
    Chatsworth, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  18. Hillcrest Security Inc

    ActiveAlarm Company Operator

    Thousand Oaks, CA · 7 mi away

    Ask it
    Proof for Hillcrest Security Inc
    License
    US-CA-DCA BSIS-ACO-8204
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jun 30, 2027
    Checked
    Oct 23, 2026
    Where
    Thousand Oaks, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  19. Marlin Security Services

    ActiveAlarm Company Operator

    Chatsworth, CA · 9 mi away

    Ask it
    Proof for Marlin Security Services
    License
    US-CA-DCA BSIS-ACO-5673
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Jan 31, 2028
    Checked
    Oct 23, 2026
    Where
    Chatsworth, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-CA-DCA record

  20. Maximum Security

    ActiveAlarm Company Operator

    West Hills, CA · 7 mi away

    Ask it
    Proof for Maximum Security
    License
    US-CA-DCA BSIS-ACO-7524
    Issuer
    US-CA-DCA
    Status
    Active
    Class
    Alarm Company Operator
    Expires
    Sep 30, 2027
    Checked
    Oct 23, 2026
    Where
    West Hills, 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 20El Cajon 15Stockton 15Corona 14Huntington Beach 14Orange 14

Free for people · nobody pays to rank. Run one of these businesses? Claim it free.

Checked facts from public license files · How ranking works