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NAICS 561621 · Security Systems Services (except Locksmiths)

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Security systems in Downers Grove, IL

Security systems in Downers Grove, IL; 180 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Affiliated Customer Service Inc

    ActiveCorporation registered in SAM.gov

    Downers Grove, IL

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    Proof for Affiliated Customer Service Inc
    SAM.gov registration
    SAM.gov MZYEY75UDTN5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 17, 2027
    Checked
    Nov 2, 2026
    Where
    Downers Grove, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Critical Technology Solutions

    Security systems

    Downers Grove, IL

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    Proof for Critical Technology Solutions
    Where
    Downers Grove, IL · serves Illinois
    Phone
    (630) 737-1082
    Listing
    Built from public records. Not claimed yet, so call them directly.

  3. Detection Systems & Service Inc

    Security systems

    Downers Grove, IL

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    Proof for Detection Systems & Service Inc
    Where
    Downers Grove, IL · serves Illinois
    Phone
    (630) 705-9585
    Listing
    Built from public records. Not claimed yet, so call them directly.

  4. Itr Systems

    Security systems

    Downers Grove, IL

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    Proof for Itr Systems
    Where
    Downers Grove, IL · serves Illinois
    Phone
    (630) 512-0044
    Listing
    Built from public records. Not claimed yet, so call them directly.

  5. CTResources, Inc.

    Security systems

    Lisle, IL · 3 mi away

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    Proof for CTResources, Inc.
    Where
    Lisle, IL · serves Illinois
    Phone
    (708) 444-2240
    Listing
    Built from public records. Not claimed yet, so call them directly.

  6. New Era Technology

    Security systems

    Lisle, IL · 3 mi away

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    Proof for New Era Technology
    Where
    Lisle, IL · serves Illinois
    Phone
    (630) 692-6700
    Listing
    Built from public records. Not claimed yet, so call them directly.

  7. Eoc Secure | Electronic Options Corporation

    Security systems

    Lisle, IL · 3 mi away

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    Proof for Eoc Secure | Electronic Options Corporation
    Where
    Lisle, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  8. Griffon Systems, Inc.

    ActiveCorporation registered in SAM.gov

    Elmhurst, IL · 8 mi away

    CallAsk it
    Proof for Griffon Systems, Inc.
    SAM.gov registration
    SAM.gov HHTGFNJHRZ17
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 3, 2027
    Checked
    Nov 2, 2026
    Where
    Elmhurst, IL · serves Illinois
    Phone
    (630) 607-0346
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Plastic Card Solutions Inc

    ActiveCorporation registered in SAM.gov

    Naperville, IL · 10 mi away

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    Proof for Plastic Card Solutions Inc
    SAM.gov registration
    SAM.gov ZJVUKNM2GAN5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 12, 2027
    Checked
    Nov 2, 2026
    Where
    Naperville, IL · serves Illinois
    Phone
    (630) 848-0200
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Sound Inc

    ActiveOther organization registered in SAM.gov

    Naperville, IL · 10 mi away

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    Proof for Sound Inc
    SAM.gov registration
    SAM.gov P4D2L4VKMDK2
    Issuer
    SAM.gov
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Feb 19, 2027
    Checked
    Nov 2, 2026
    Where
    Naperville, IL · serves Illinois
    Phone
    (630) 369-2900
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. E.Norman Security Systems, Inc.

    ActiveCorporation registered in SAM.gov

    Naperville, IL · 10 mi away

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    Proof for E.Norman Security Systems, Inc.
    SAM.gov registration
    SAM.gov R6F3CPTCAE85
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 4, 2027
    Checked
    Nov 2, 2026
    Where
    Naperville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. Ensight Security Solutions Inc.

    ActiveCorporation registered in SAM.gov

    Countryside, IL · 8 mi away

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    Proof for Ensight Security Solutions Inc.
    SAM.gov registration
    SAM.gov JMXMSAAYD7Z3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 11, 2027
    Checked
    Nov 2, 2026
    Where
    Countryside, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  13. Metrasens, Inc, Metrasens Inc.

    ActiveCorporation registered in SAM.gov

    Naperville, IL · 10 mi away

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    Proof for Metrasens, Inc, Metrasens Inc.
    SAM.gov registration
    SAM.gov MDK5U8WL95F7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 9, 2027
    Checked
    Nov 2, 2026
    Where
    Naperville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  14. Shadowtech Labs Inc

    ActiveCorporation registered in SAM.gov

    Willowbrook, IL · 6 mi away

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    Proof for Shadowtech Labs Inc
    SAM.gov registration
    SAM.gov LH4FNCNKJLU3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Oct 14, 2027
    Checked
    Nov 2, 2026
    Where
    Willowbrook, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  15. Umbrella Security PLLC

    ActiveCorporation registered in SAM.gov

    Naperville, IL · 10 mi away

    Ask it
    Proof for Umbrella Security PLLC
    SAM.gov registration
    SAM.gov ER57FHACV634
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 3, 2027
    Checked
    Nov 2, 2026
    Where
    Naperville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  16. ADT Commercial

    Security systems

    Lombard, IL · 6 mi away

    CallAsk it
    Proof for ADT Commercial
    Where
    Lombard, IL · serves Illinois
    Phone
    (312) 445-0152
    Listing
    Built from public records. Not claimed yet, so call them directly.

  17. ADT Security Services, Inc.

    Security systems

    Addison, IL · 9 mi away

    CallAsk it
    Proof for ADT Security Services, Inc.
    Where
    Addison, IL · serves Illinois
    Phone
    (708) 934-4127
    Listing
    Built from public records. Not claimed yet, so call them directly.

  18. Blueram Technology

    Security systems

    Naperville, IL · 10 mi away

    CallAsk it
    Proof for Blueram Technology
    Where
    Naperville, IL · serves Illinois
    Phone
    (630) 934-0405
    Listing
    Built from public records. Not claimed yet, so call them directly.

  19. Edward Technology

    Security systems

    Elmhurst, IL · 8 mi away

    CallAsk it
    Proof for Edward Technology
    Where
    Elmhurst, IL · serves Illinois
    Phone
    (630) 333-9323
    Listing
    Built from public records. Not claimed yet, so call them directly.

  20. Everon

    Security systems

    Addison, IL · 9 mi away

    CallAsk it
    Proof for Everon
    Where
    Addison, IL · serves Illinois
    Phone
    (312) 212-0356
    Listing
    Built from public records. Not claimed yet, so call them directly.

More cities in Illinois

Chicago 52Springfield 8Elk Grove Village 7Schaumburg 7Naperville 6Arlington Heights 5Northbrook 5Quincy 5

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