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Security guard companies in Chicago, IL

123 security and alarm companies in Chicago offering security guard companies. California private patrol operators and Illinois private security contractor agencies: companies licensed to furnish security officers and patrols.

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All 123

Statewide Investigative Services IncChicago, IL 60646 · Security guard companiesPrivate security contractor agency · licensed since 1984Illinois-licensedSecurity guards
Davis Bancorp IncChicago, IL 60623 · Security guard companiesPrivate security contractor agency · licensed since 1986Illinois-licensedSecurity guards
Metro Security Force IncChicago, IL 60656 · Security guard companiesPrivate security contractor agency · licensed since 1988Illinois-licensedSecurity guardsIDFPR discipline on record (1994)
Illinois Security Services IncChicago, IL 60643 · Security guard companiesPrivate security contractor agency · licensed since 1990Illinois-licensedSecurity guardsIDFPR discipline on record (1996)
Addison & Associates Security LTDChicago, IL 60639 · Security guard companiesPrivate security contractor agency · licensed since 1994Illinois-licensedSecurity guardsIDFPR discipline on record (2004)
Titan Security Services IncChicago, IL 60661 · Security guard companiesPrivate security contractor agency · licensed since 1994Illinois-licensedSecurity guards
Luna Security Services IncChicago, IL 60622 · Security guard companiesPrivate security contractor agency · licensed since 1995Illinois-licensedSecurity guards
Alliance Security Services IncChicago, IL 60646 · Security guard companiesPrivate security contractor agency · licensed since 1997Illinois-licensedSecurity guards
Chicago Protection Deployment LTDChicago, IL 60629 · Security guard companiesPrivate security contractor agency · licensed since 1997Illinois-licensedSecurity guards
Allpoints Security and Detective IncChicago, IL 60649 · Security guard companiesPrivate security contractor agency · licensed since 2000Illinois-licensedSecurity guards
We're Cleaning IncChicago, IL 60616 · Security guard companiesPrivate security contractor agency · licensed since 2000Illinois-licensedSecurity guards
Danmark Security LLCChicago, IL 60607 · Security guard companiesPrivate security contractor agency · licensed since 2001Illinois-licensedSecurity guards
Monterrey Security Consultants IncChicago, IL 60608 · Security guard companiesPrivate security contractor agency · licensed since 2001Illinois-licensedSecurity guardsIDFPR discipline on record (2003)
Safety Service Systems IncChicago, IL 60646 · Security guard companiesPrivate security contractor agency · licensed since 2001Illinois-licensedSecurity guards
Special Response Corporation IncChicago, IL 60607 · Security guard companiesPrivate security contractor agency branch office · licensed since 2001Illinois-licensedSecurity guardsBranch office
United Security Services IncChicago, IL 60609 · Security guard companiesPrivate security contractor agency · licensed since 2001Illinois-licensedSecurity guards
Aces Security IncChicago, IL 60638 · Security guard companiesPrivate security contractor agency · licensed since 2003Illinois-licensedSecurity guards
Hlsa IncChicago, IL 60631 · Security guard companiesPrivate security contractor agency · licensed since 2003Illinois-licensedSecurity guards
Citywide Security Group IncChicago, IL 60625 · Security guard companiesPrivate security contractor agency · licensed since 2004Illinois-licensedSecurity guards
Dbats Inc DBA Narrow SecurityChicago, IL 60609 · Security guard companiesPrivate security contractor agency · licensed since 2004Illinois-licensedSecurity guardsIDFPR discipline on record (2025)
Reliance Security ServicesChicago, IL 60646 · Security guard companiesPrivate security contractor agency · licensed since 2004Illinois-licensedSecurity guards
West Side Transformation CorporationChicago, IL 60608 · Security guard companiesPrivate security contractor agency · licensed since 2004Illinois-licensedSecurity guards
Action K-9 Security IncChicago, IL 60612 · Security guard companiesPrivate security contractor agency · licensed since 2005Illinois-licensedSecurity guards
Kates Detective & Security ServicesChicago, IL 60620 · Security guard companiesPrivate security contractor agency · licensed since 2005Illinois-licensedSecurity guards
Whelan Security of Illinois IncChicago, IL 60661 · Security guard companiesPrivate security contractor agency · DBA Gardaworld Security Services of Illinois · licensed since 2005Illinois-licensedSecurity guards
Msp1 Intelligence CorpChicago, IL 60628 · Security guard companiesPrivate security contractor agency · licensed since 2006Illinois-licensedSecurity guards
St Moritz Security Services IncChicago, IL 60612 · Security guard companiesPrivate security contractor agency · licensed since 2007Illinois-licensedSecurity guards
Securitas Security Services USA IncChicago, IL 60606 · Security guard companiesPrivate security contractor agency branch office · licensed since 2008Illinois-licensedSecurity guardsBranch office
Lsa Lockhart Security AgencyChicago, IL 60707 · Security guard companiesPrivate security contractor agency · licensed since 2010Illinois-licensedSecurity guards
Arms Security CorpChicago, IL 60642 · Security guard companiesPrivate security contractor agency · licensed since 2011Illinois-licensedSecurity guards
Excel Security ServicesChicago, IL 60655 · Security guard companiesPrivate security contractor agency · licensed since 2011Illinois-licensedSecurity guardsIDFPR discipline on record (2019)
Gomez Security IncChicago, IL 60633 · Security guard companiesPrivate security contractor agency · licensed since 2011Illinois-licensedSecurity guards
Ingram Security & Detective Services LLC DBA Ingram FingerprintingChicago, IL 60608 · Security guard companiesPrivate security contractor agency · licensed since 2011Illinois-licensedSecurity guards
R&m Services of Illinois LLCChicago, IL 60647 · Security guard companiesPrivate security contractor agency · licensed since 2011Illinois-licensedSecurity guards
Halo Security Group LLCChicago, IL 60653 · Security guard companiesPrivate security contractor agency · licensed since 2012Illinois-licensedSecurity guards
Holmes Peacekeepers Service CorpChicago, IL 60653 · Security guard companiesPrivate security contractor agency · licensed since 2012Illinois-licensedSecurity guards
Jetty Security & Investigations LLCChicago, IL 60631 · Security guard companiesPrivate security contractor agency · licensed since 2012Illinois-licensedSecurity guards
Lawdog Security and Investigations IncChicago, IL 60655 · Security guard companiesPrivate security contractor agency · licensed since 2012Illinois-licensedSecurity guards
Lincoln Security Services LLCChicago, IL 60638 · Security guard companiesPrivate security contractor agency · licensed since 2012Illinois-licensedSecurity guards
Pmd Securities IncChicago, IL 60634 · Security guard companiesPrivate security contractor agency · licensed since 2012Illinois-licensedSecurity guards
Universal Protection Service LLCChicago, IL 60601 · Security guard companiesPrivate security contractor agency · DBA Allied Universal Security Services · licensed since 2012Illinois-licensedSecurity guards
Chicago Risk and Casualty Consultants Inc.Chicago, IL 60614 · Security guard companiesPrivate security contractor agency · licensed since 2013Illinois-licensedSecurity guards
E G Security Services IncChicago, IL 60643 · Security guard companiesPrivate security contractor agency · licensed since 2013Illinois-licensedSecurity guards
Ultimate Security of America CorporationChicago, IL 60611 · Security guard companiesPrivate security contractor agency branch office · licensed since 2013Illinois-licensedSecurity guardsBranch office
Delta Force One Investigations LLCChicago, IL 60617 · Security guard companiesPrivate security contractor agency · licensed since 2014Illinois-licensedSecurity guards
First American Security Services IncorporatedChicago, IL 60601 · Security guard companiesPrivate security contractor agency · licensed since 2014Illinois-licensedSecurity guards
Illinois Special Protection Services LLCChicago, IL 60629 · Security guard companiesPrivate security contractor agency · licensed since 2014Illinois-licensedSecurity guards
Mvp Security IncChicago, IL 60638 · Security guard companiesPrivate security contractor agency · licensed since 2015Illinois-licensedSecurity guards
Tb Defense IncChicago, IL 60607 · Security guard companiesPrivate security contractor agency · licensed since 2015Illinois-licensedSecurity guards
United Protection Agency IncChicago, IL 60636 · Security guard companiesPrivate security contractor agency · licensed since 2015Illinois-licensedSecurity guards
Allpoints Security and Detective IncChicago, IL 60608 · Security guard companiesPrivate security contractor agency branch office · licensed since 2016Illinois-licensedSecurity guardsBranch office
Benford Protection Group LLCChicago, IL 60620 · Security guard companiesPrivate security contractor agency · licensed since 2016Illinois-licensedSecurity guards
Gould Security Services LLCChicago, IL 60633 · Security guard companiesPrivate security contractor agency · licensed since 2016Illinois-licensedSecurity guards
Illinois Security Professionals IncChicago, IL 60652 · Security guard companiesPrivate security contractor agency · licensed since 2016Illinois-licensedSecurity guards
Security Specialists Group IncChicago, IL 60611 · Security guard companiesPrivate security contractor agency · licensed since 2016Illinois-licensedSecurity guards
Tactical Security Chicago LLCChicago, IL 60609 · Security guard companiesPrivate security contractor agency · licensed since 2016Illinois-licensedSecurity guards
Tru Blue Security LLCChicago, IL 60643 · Security guard companiesPrivate security contractor agency · licensed since 2016Illinois-licensedSecurity guards
United Security Services IncChicago, IL 60609 · Security guard companiesPrivate security contractor agency branch office · licensed since 2016Illinois-licensedSecurity guardsBranch office
Chicago Security Premier LLCChicago, IL 60609 · Security guard companiesPrivate security contractor agency · licensed since 2017Illinois-licensedSecurity guards
Extrity LLCChicago, IL 60661 · Security guard companiesPrivate security contractor agency · licensed since 2017Illinois-licensedSecurity guards
Kates Detective & Security Services AgencyChicago, IL 60620 · Security guard companiesPrivate security contractor agency branch office · licensed since 2017Illinois-licensedSecurity guardsBranch office
Secure Options Consulting LLCChicago, IL 60642 · Security guard companiesPrivate security contractor agency · licensed since 2017Illinois-licensedSecurity guards
Shield Security Services LLCChicago, IL 60628 · Security guard companiesPrivate security contractor agency · licensed since 2017Illinois-licensedSecurity guards
True Security & Investigation IncChicago, IL 60628 · Security guard companiesPrivate security contractor agency · licensed since 2017Illinois-licensedSecurity guards
Andy Frain Services IncChicago, IL 60609 · Security guard companiesPrivate security contractor agency branch office · licensed since 2018Illinois-licensedSecurity guardsBranch office
Clark International IncChicago, IL 60657 · Security guard companiesPrivate security contractor agency · licensed since 2018Illinois-licensedSecurity guards
Crisis24 Protective Solutions, IncChicago, IL 60655 · Security guard companiesPrivate security contractor agency · licensed since 2018Illinois-licensedSecurity guards
Inner Valor IncChicago, IL 60611 · Security guard companiesPrivate security contractor agency · licensed since 2018Illinois-licensedSecurity guards
Semper Fi Doorman IncChicago, IL 60604 · Security guard companiesPrivate security contractor agency · licensed since 2018Illinois-licensedSecurity guards
Dunlap Security Services IncChicago, IL 60620 · Security guard companiesPrivate security contractor agency · licensed since 2019Illinois-licensedSecurity guards
Marksman Security CorporationChicago, IL 60601 · Security guard companiesPrivate security contractor agency · licensed since 2019Illinois-licensedSecurity guards
Security Management of Assets Risks and Threats, IncChicago, IL 60634 · Security guard companiesPrivate security contractor agency · licensed since 2019Illinois-licensedSecurity guards
Armour Security Group PLLCChicago, IL 60646 · Security guard companiesPrivate security contractor agency · licensed since 2020Illinois-licensedSecurity guards
Cs Private Security & Detective Company LTDChicago, IL 60643 · Security guard companiesPrivate security contractor agency · licensed since 2020Illinois-licensedSecurity guards
Mega Security Services LLCChicago, IL 60628 · Security guard companiesPrivate security contractor agency · licensed since 2020Illinois-licensedSecurity guards
R.a. Private Investigation & Security Inc.Chicago, IL 60609 · Security guard companiesPrivate security contractor agency · DBA Jordan A. Scherer Private Detective · licensed since 2020Illinois-licensedSecurity guards
Redhawk Consulting Group IncChicago, IL 60642 · Security guard companiesPrivate security contractor agency · licensed since 2020Illinois-licensedSecurity guards
Aa Gilgabs Corp.Chicago, IL 60641 · Security guard companiesPrivate security contractor agency · DBA Artemis Biometrics and Security Solutions · licensed since 2021Illinois-licensedSecurity guards
McCarthy Byrnes PLLCChicago, IL 60601 · Security guard companiesPrivate security contractor agency · licensed since 2021Illinois-licensedSecurity guards
Mfort Security Services PLLCChicago, IL 60630 · Security guard companiesPrivate security contractor agency · licensed since 2021Illinois-licensedSecurity guards
P4 Security Solutions LLCChicago, IL 60654 · Security guard companiesPrivate security contractor agency branch office · licensed since 2021Illinois-licensedSecurity guardsBranch office
Stark Security Inc.Chicago, IL 60642 · Security guard companiesPrivate security contractor agency · licensed since 2021Illinois-licensedSecurity guards
Tac Security Services PLLCChicago, IL 60634 · Security guard companiesPrivate security contractor agency · licensed since 2021Illinois-licensedSecurity guards
Mark International of Illinois IncChicago, IL 60617 · Security guard companiesPrivate security contractor agency · licensed since 2022Illinois-licensedSecurity guards
Vanguard Security Solutions PLLCChicago, IL 60612 · Security guard companiesPrivate security contractor agency · licensed since 2022Illinois-licensedSecurity guards
E'clat Security Group PLLCChicago, IL 60619 · Security guard companiesPrivate security contractor agency · licensed since 2023Illinois-licensedSecurity guards
Jensen Hughes IncChicago, IL 60606 · Security guard companiesPrivate security contractor agency · licensed since 2023Illinois-licensedSecurity guards
Life and Property Security Consultants PLLCChicago, IL 60620 · Security guard companiesPrivate security contractor agency · licensed since 2023Illinois-licensedSecurity guards
Mark International of Illinois IncChicago, IL 60617 · Security guard companiesPrivate security contractor agency branch office · licensed since 2023Illinois-licensedSecurity guardsBranch office
Penson and Green Security, PLLCChicago, IL 60654 · Security guard companiesPrivate security contractor agency · licensed since 2023Illinois-licensedSecurity guards
E'clat Security Group PLLCChicago, IL 60619 · Security guard companiesPrivate security contractor agency branch office · licensed since 2024Illinois-licensedSecurity guardsBranch office
Fine Line Group LLCChicago, IL 60646 · Security guard companiesPrivate security contractor agency · licensed since 2024Illinois-licensedSecurity guards
Global Executive Protection Security Services IncChicago, IL 60655 · Security guard companiesPrivate security contractor agency · licensed since 2024Illinois-licensedSecurity guards
Ic Security Systems IncChicago, IL 60642 · Security guard companiesPrivate security contractor agency branch office · licensed since 2024Illinois-licensedSecurity guardsBranch office
Modus Investigation & Protection ServicesChicago, IL 60608 · Security guard companiesPrivate security contractor agency · licensed since 2024Illinois-licensedSecurity guards
Onyx Security Solutions PLLCChicago, IL 60615 · Security guard companiesPrivate security contractor agency · licensed since 2024Illinois-licensedSecurity guards
Rescue 8 Safety Services, Inc.Chicago, IL 60628 · Security guard companiesPrivate security contractor agency · licensed since 2024Illinois-licensedSecurity guards
Rescue 8 Safety Services, Inc.Chicago, IL 60628 · Security guard companiesPrivate security contractor agency branch office · licensed since 2024Illinois-licensedSecurity guardsBranch office
Serviam USA PLLCChicago, IL 60601 · Security guard companiesPrivate security contractor agency · licensed since 2024Illinois-licensedSecurity guards
Unconquerable Security and Investigative Solutions, PLLCChicago, IL 60629 · Security guard companiesPrivate security contractor agency · licensed since 2024Illinois-licensedSecurity guards
2w Security, PLLCChicago, IL 60621 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Alpha7 Protective Services PLLCChicago, IL 60604 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Central Security Agency, IncChicago, IL 60638 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Clr Security & Investigation IncChicago, IL 60615 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Edwards Executive Protection & Security Group, IncChicago, IL 60628 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Kocoa Enterprises CorporationChicago, IL 60643 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Quality Trained Services, PLLCChicago, IL 60604 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Securalux, PLLCChicago, IL 60611 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Sentinel Ai Group LTDChicago, IL 60651 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
Silverback Chicago PLLCChicago, IL 60619 · Security guard companiesPrivate security contractor agency · licensed since 2025Illinois-licensedSecurity guards
St Moritz Security Services IncChicago, IL 60661 · Security guard companiesPrivate security contractor agency branch office · licensed since 2025Illinois-licensedSecurity guardsBranch office
Bears Security PLLCChicago, IL 60607 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
Blackhawk Security Services, PLLCChicago, IL 60655 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
Cascadia Global Services X, Inc.Chicago, IL 60707 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
Jnz Protective Services, PLLCChicago, IL 60634 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
M1 Global IncChicago, IL 60654 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
Maximal Security Services PLLCChicago, IL 60622 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
Meritus Solutions Group PLLCChicago, IL 60601 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
National Protection and Investigation Agency IncChicago, IL 60603 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
No1 Before US Protection & Security Agency LLCChicago, IL 60617 · Security guard companiesPrivate security contractor agency branch office · licensed since 2026Illinois-licensedSecurity guardsBranch office
Stark Security Inc.Chicago, IL 60642 · Security guard companiesPrivate security contractor agency branch office · licensed since 2026Illinois-licensedSecurity guardsBranch office
Starr Security Group IncChicago, IL 60605 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards
Vetrasec Solutions LimitedChicago, IL 60644 · Security guard companiesPrivate security contractor agency · licensed since 2026Illinois-licensedSecurity guards