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NAICS 561621 · Security Systems Services (except Locksmiths)

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Security systems in Brentwood, NY

Security systems in Brentwood, NY; 174 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. BK Fire Suppression & Security Systems

    ActiveContractor Registry certificate (public works)

    Brentwood, NY

    CallAsk it
    Proof for BK Fire Suppression & Security Systems
    New York contractor registration
    DOL 25-64ZUO-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Feb 11, 2027
    Checked
    Nov 3, 2026
    Where
    Brentwood, NY · serves New York
    Phone
    (631) 273-2010
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 25-64ZUO-CR → New York Department of Labor search

  2. Elite Electrical Contracting & Security Systems Inc

    ActivePrivate motor carrier

    Islandia, NY · 5 mi away

    CallAsk it
    Proof for Elite Electrical Contracting & Security Systems Inc
    USDOT registration
    FMCSA 2272520
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Islandia, NY · serves New York
    Phone
    (631) 582-8144
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  3. J & K Alarms

    ActiveContractor Registry certificate (public works)

    Hauppauge, NY · 3 mi away

    CallAsk it
    Proof for J & K Alarms
    New York contractor registration
    DOL 25-64UKV-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Jan 29, 2027
    Checked
    Nov 3, 2026
    Where
    Hauppauge, NY · serves New York
    Phone
    (631) 744-8945
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 25-64UKV-CR → New York Department of Labor search

  4. Universal Security Systems Inc

    ActivePrivate motor carrier

    Hauppauge, NY · 3 mi away

    CallAsk it
    Proof for Universal Security Systems Inc
    USDOT registration
    FMCSA 1405755
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Hauppauge, NY · serves New York
    Phone
    (631) 951-0604
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  5. Balco Alarm Services Corporation

    Security systems

    Deer Park, NY · 4 mi away

    CallAsk it
    Proof for Balco Alarm Services Corporation
    Where
    Deer Park, NY · serves New York
    Phone
    (800) 638-0950
    Listing
    Built from public records. Not claimed yet, so call them directly.

  6. Et Security

    Security systems

    Hauppauge, NY · 3 mi away

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    Proof for Et Security
    Where
    Hauppauge, NY · serves New York
    Phone
    (516) 515-6471
    Listing
    Built from public records. Not claimed yet, so call them directly.

  7. Total Defense

    Security systems

    Hauppauge, NY · 3 mi away

    CallAsk it
    Proof for Total Defense
    Where
    Hauppauge, NY · serves New York
    Phone
    (877) 906-8816
    Listing
    Built from public records. Not claimed yet, so call them directly.

  8. All Action Alarm

    Security systems

    Hauppauge, NY · 3 mi away

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    Proof for All Action Alarm
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.

  9. Electronix Systems Central Station Alarms Inc

    ActivePrivate motor carrier

    Huntington Station, NY · 6 mi away

    CallAsk it
    Proof for Electronix Systems Central Station Alarms Inc
    USDOT registration
    FMCSA 1682573
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Huntington Station, NY · serves New York
    Phone
    (631) 271-4000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  10. Sentry Custom Security Inc

    ActiveCorporation registered in SAM.gov

    Ronkonkoma, NY · 7 mi away

    CallAsk it
    Proof for Sentry Custom Security Inc
    SAM.gov registration
    SAM.gov QF46GT4KYKD3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 19, 2027
    Checked
    Nov 2, 2026
    Where
    Ronkonkoma, NY · serves New York
    Phone
    (800) 461-2803
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. Advanced Cyber Security Corp, Advanced Cyber Security Corp.

    ActiveCorporation registered in SAM.gov

    Bohemia, NY · 6 mi away

    Ask it
    Proof for Advanced Cyber Security Corp, Advanced Cyber Security Corp.
    SAM.gov registration
    SAM.gov ZZH5QZQBK433
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 2, 2027
    Checked
    Nov 2, 2026
    Where
    Bohemia, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. Advanced Fire Alarm Inc.

    ActiveContractor Registry certificate (public works)

    Great River, NY · 7 mi away

    CallAsk it
    Proof for Advanced Fire Alarm Inc.
    New York contractor registration
    DOL 25-65OAH-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Apr 30, 2027
    Checked
    Nov 3, 2026
    Where
    Great River, NY · serves New York
    Phone
    (631) 402-4522
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 25-65OAH-CR → New York Department of Labor search

  13. Alarm 1 Inc

    ActivePrivate motor carrier

    Greenlawn, NY · 8 mi away

    CallAsk it
    Proof for Alarm 1 Inc
    USDOT registration
    FMCSA 2197572
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Greenlawn, NY · serves New York
    Phone
    (631) 261-0100
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  14. Alarm Yourself Corp

    ActivePrivate motor carrier

    Bayshore, NY · 5 mi away

    CallAsk it
    Proof for Alarm Yourself Corp
    USDOT registration
    FMCSA 2410356
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Bayshore, NY · serves New York
    Phone
    (631) 423-0490
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  15. Classic Alarm Contracting Inc

    ActivePrivate motor carrier

    Sayville, NY · 10 mi away

    CallAsk it
    Proof for Classic Alarm Contracting Inc
    USDOT registration
    FMCSA 4138662
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Sayville, NY · serves New York
    Phone
    (307) 369-0781
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  16. Conceptual Network Solutions Inc

    ActiveCorporation registered in SAM.gov

    Melville, NY · 8 mi away

    Ask it
    Proof for Conceptual Network Solutions Inc
    SAM.gov registration
    SAM.gov TLK3BCW21NV9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Oct 13, 2027
    Checked
    Nov 2, 2026
    Where
    Melville, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. Dynomite Fuel and Alarm LLC

    ActivePrivate motor carrier

    Dix Hills, NY · 6 mi away

    CallAsk it
    Proof for Dynomite Fuel and Alarm LLC
    USDOT registration
    FMCSA 2094438
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Dix Hills, NY · serves New York
    Phone
    (631) 586-3835
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  18. Electronix Systems Central Station Alarms, Inc.

    ActiveCorporation registered in SAM.gov

    Huntington Station, NY · 6 mi away

    Ask it
    Proof for Electronix Systems Central Station Alarms, Inc.
    SAM.gov registration
    SAM.gov JNB9K2G5RHR9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 11, 2027
    Checked
    Nov 2, 2026
    Where
    Huntington Station, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  19. Electronix Systems Central Station Alarms, Inc.

    ActiveContractor Registry certificate (public works)

    Huntington Station, NY · 6 mi away

    CallAsk it
    Proof for Electronix Systems Central Station Alarms, Inc.
    New York contractor registration
    DOL 24-64R6E-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Dec 29, 2026
    Checked
    Nov 3, 2026
    Where
    Huntington Station, NY · serves New York
    Phone
    (631) 271-4000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 24-64R6E-CR → New York Department of Labor search

  20. Essential Security Systems Inc

    ActiveCorporation registered in SAM.gov

    Kings Park, NY · 7 mi away

    Ask it
    Proof for Essential Security Systems Inc
    SAM.gov registration
    SAM.gov CJLWHB9JKSM6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 16, 2026
    Checked
    Nov 2, 2026
    Where
    Kings Park, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

More cities in New York

New York 80Brooklyn 54Rochester 22Buffalo 15Bronx 13Staten Island 13Syracuse 10Bohemia 7Farmingdale 7Hicksville 7Plainview 7Albany 6Long Island City 6Ronkonkoma 6Westbury 6Bay Shore 5

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