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NAICS 561621 · Security Systems Services (except Locksmiths)

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Security systems in Illinois

252 security systems listed in Illinois, each checked against the issuer's record. In the published order.

  1. Alarm Detection Systems Inc

    ActiveCorporation registered in SAM.gov

    Aurora, IL

    Proof for Alarm Detection Systems Inc
    SAM.gov registration
    SAM.gov DN1TLSX2CQ46
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 23, 2027
    Checked
    Oct 23, 2026
    Where
    Aurora, IL · serves Illinois
    Phone
    (630) 844-6322
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  2. Alarm Security Inc

    ActiveCorporation registered in SAM.gov

    Des Plaines, IL

    Proof for Alarm Security Inc
    SAM.gov registration
    SAM.gov JN62WGT5GPM7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 28, 2027
    Checked
    Oct 23, 2026
    Where
    Des Plaines, IL · serves Illinois
    Phone
    (847) 390-9600
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  3. Allegiant Fire Protection, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Aurora, IL

    Proof for Allegiant Fire Protection, LLC
    SAM.gov registration
    SAM.gov V55PKEK7XXA8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Mar 26, 2027
    Checked
    Oct 23, 2026
    Where
    Aurora, IL · serves Illinois
    Phone
    (630) 506-5535
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  4. Applied Communications Group, Inc.

    ActiveCorporation registered in SAM.gov

    Schaumburg, IL

    Proof for Applied Communications Group, Inc.
    SAM.gov registration
    SAM.gov JDQDZJJSCLM6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 21, 2027
    Checked
    Oct 23, 2026
    Where
    Schaumburg, IL · serves Illinois
    Phone
    (630) 529-1020
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  5. Detection Security Company, Inc.

    ActiveCorporation registered in SAM.gov

    Mattoon, IL

    Proof for Detection Security Company, Inc.
    SAM.gov registration
    SAM.gov EJTHXK5JJ614
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 2, 2027
    Checked
    Oct 23, 2026
    Where
    Mattoon, IL · serves Illinois
    Phone
    (217) 234-8590
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  6. Fox Valley Fire & Safety CO

    ActiveTax-exempt corporation registered in SAM.gov

    Elgin, IL

    Proof for Fox Valley Fire & Safety CO
    SAM.gov registration
    SAM.gov T4JFF1LKD181
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 31, 2027
    Checked
    Oct 23, 2026
    Where
    Elgin, IL · serves Illinois
    Phone
    (847) 695-5990
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  7. George Alarm CO Inc

    ActiveCorporation registered in SAM.gov

    Springfield, IL

    Proof for George Alarm CO Inc
    SAM.gov registration
    SAM.gov ZHAGYXTXDCD1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 27, 2027
    Checked
    Oct 23, 2026
    Where
    Springfield, IL · serves Illinois
    Phone
    (217) 525-1334
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  8. Griffon Systems, Inc.

    ActiveCorporation registered in SAM.gov

    Elmhurst, IL

    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
    Oct 23, 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

    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
    Oct 23, 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

    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
    Oct 23, 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. Tech Systems, Incorporated

    ActiveCorporation registered in SAM.gov

    Gurnee, IL

    Proof for Tech Systems, Incorporated
    SAM.gov registration
    SAM.gov V6FCTRGDAPN1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 17, 2026
    Checked
    Oct 23, 2026
    Where
    Gurnee, IL · serves Illinois
    Phone
    (847) 336-9700
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  12. The Kern Group Inc

    ActiveCorporation registered in SAM.gov

    Peoria, IL

    Proof for The Kern Group Inc
    SAM.gov registration
    SAM.gov VXXEBWGBLYE9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 1, 2027
    Checked
    Oct 23, 2026
    Where
    Peoria, IL · serves Illinois
    Phone
    (309) 690-3300
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  13. Vbtronics Inc.

    ActiveCorporation registered in SAM.gov

    Rolling Meadows, IL

    Proof for Vbtronics Inc.
    SAM.gov registration
    SAM.gov NTCAKGRU6R85
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 4, 2027
    Checked
    Oct 23, 2026
    Where
    Rolling Meadows, IL · serves Illinois
    Phone
    (224) 223-7381
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  14. Video & Sound Service Inc

    ActiveCorporation registered in SAM.gov

    Northlake, IL

    Proof for Video & Sound Service Inc
    SAM.gov registration
    SAM.gov DJMZGWNGZ8K1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 13, 2027
    Checked
    Oct 23, 2026
    Where
    Northlake, IL · serves Illinois
    Phone
    (708) 562-6316
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  15. 4S Security LLC

    ActiveCorporation registered in SAM.gov

    Chicago, IL

    Proof for 4S Security LLC
    SAM.gov registration
    SAM.gov VQLZWK4VNZX1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 8, 2027
    Checked
    Oct 23, 2026
    Where
    Chicago, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  16. A1 Lock Inc, A-1 Corporate Hardware

    ActiveCorporation registered in SAM.gov

    Springfield, IL

    Proof for A1 Lock Inc, A-1 Corporate Hardware
    SAM.gov registration
    SAM.gov ZBUJKDMJHN36
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 25, 2027
    Checked
    Oct 23, 2026
    Where
    Springfield, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  17. Affiliated Customer Service Inc

    ActiveCorporation registered in SAM.gov

    Downers Grove, IL

    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
    Oct 23, 2026
    Where
    Downers Grove, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  18. Alarm Systems Inc

    ActivePrivate motor carrier

    Quincy, IL

    Proof for Alarm Systems Inc
    USDOT registration
    FMCSA 4311026
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Quincy, IL · serves Illinois
    Phone
    (217) 440-5241
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  19. Alarm Systems Inc

    ActiveCorporation registered in SAM.gov

    Quincy, IL

    Proof for Alarm Systems Inc
    SAM.gov registration
    SAM.gov WUR6UZT58ZM8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 2, 2027
    Checked
    Oct 23, 2026
    Where
    Quincy, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  20. Ascentec Holdings LLC

    ActiveSole proprietorship registered in SAM.gov

    Glencoe, IL

    Proof for Ascentec Holdings LLC
    SAM.gov registration
    SAM.gov LCCRHUC7KKN6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jan 24, 2027
    Checked
    Oct 23, 2026
    Where
    Glencoe, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

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