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Home > Security Firms by State > Illinois Security Firms

A listing of security systems, security alarm, security guard, investigators, and other types of security firms doing business in Illinois.

Listing of Illinois Alarm Companies
by Illinois Electronic Security Association

Illinois Private Investigators and Investigation Agencies
by EInvestigator.com

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AF Services, Inc.
1550 Spring Road, Suite 305, Chicago, IL 60523
(630) 279-0500

American Heritage Protective Services
5100 West 127th Street, Alsip, Illinois 60803
1-866-830-1800

Capital Security & Investigations, Inc.
917 Lunt Avenue, Schaumburg, IL 60193
1-866-524-0711

Illinois Alarm
7340 West 15th Street, Forest Park, Illinois 60130
(708) 366-2400

Monterrey Security
2232 South Blue Ave, Chicago, IL 60608
(773) 843-0434

Protech Security Services, Inc.
106 Stephen Street, Lemont, Illinois 60439
1-877-424-7400

Security Service of Illinois
3055 W 111th Street, Chicago, IL 60655
(630) 687-7233

Alarm Detection Systems, Inc.
1111 Church Street, Aurora, IL 60505
(630) 844-6300

Alert Protective Services
3833 N. Cicero Ave., Chicago, IL 60641
(773) 685-8383

Broadview Security
612A West Fifth Ave, Naperville, Illinois 60563
(630) 848-1430

Close Quarters Security Group, LLC
Champaign, IL
(217) 721-6388

Digby's Detective & Security Agency, Inc.
2630 South Wabash Avenue, Chicago, IL 60616
(312) 326-1100

Electronic Security Systems, Inc.
2112 West Galena Blvd, Ste 8522, Aurora, IL 60506
(630) 723-0772

Fire & Security Systems, Inc.
516 West Campus Drive, Arlington Heights, IL 60004
(847) 577-1950

Goldy Locks, Inc.
17048 South Oak Park Ave, Tinley Park, IL 60477
(708) 532-6560

Highend Security
Chicago, IL
(773) 410-1108

Illinois Protection & Investigation, LLC
Harwood Heights, IL
(847) 975-2286

Illinois Security Alarms, Ltd
Blue Islans, IL
(877) 676-3870

Illinois Security Services, Inc.
Chicago, IL
(773) 881-0044

Intelliquest, Inc.
Beecher, Illinois
(877) 687-2677

Knight Security Alarms
P.O. Box 1013, New Lenox, IL 60451
(815) 485-4808

McCoy & Brown Sercurity, LLC
Chicago, IL
(773) 672-9737

Metro Detective Agency, LLC
P.O. Box 1050, DeKalb, Illinois, 60115
1-800-511-8940

Mitchell Security
Chicago, IL
(773) 410-1108

Norshore Alarm Co, Inc.
28085 North Ashley Circle, #106, Libertyville, IL 60048
(847) 367-7370

Protective Services Group, Inc.
O'Fallon, IL
(618) 310-1700

Quality Alarm Systems, Inc.
5532 West Cal Sag Road, Alsip, IL 60803
(708) 389-7600

Security Alarm Corporation
1511 East Main Street, Salem, IL 62881
1-800-252-7621

Security Dynamics Group
Homewood, IL
(708) 647-0600

Security Management and Investigations, Inc.
Chicago, IL
(773) 585-0400

Skynet Security Systems
322 S. Green St. Ste 202
Chicago, IL 60607
(773) 767-5400

Tactical Security LLC
Waukegan, IL
(847) 263-1900

Talon Investigative Services
P.O. Box 612, Taylorville, IL 62568
(217) 824-6262

Universal Security, Corp.
1640 North Wells Street, 2nd Floor, Chicago, IL 60610
(312) 642-7447

VTS Investigations, LLC
P.O. Box 971, Elgin, Illinois 60121
(847) 888-4464

Weinstock Investigations
Effingham, Illinois 62041
1-866-347-5042

 

 


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