East Central Illinois Schools
Northeastern Illinois Schools
- City Colleges of Chicago, Richard J. Daley College
- College of Lake County
- Kankakee Community College
- Lewis University
- Moraine Valley Community College
- Triton College
- Waubonsee Community College
- Taylor Business Institute
- AGB Investigative Services, Inc.
- Borg-Warner Protective Services
- Aargus Security Systems Inc.
- Complete Training Institute
- Danmark Security Training School
- Andy Frain Services
- Digby's Detective and Security Agency Training Academy
- Centurion Training Institute
- Echo Investigations
- ELA Security, Inc.
- Executive Security Specialists, Inc.
- Fidelity Investigative Training Academy
- Hartigan Firearms Instructor Course
- Houston & Associates Co., Inc.
- International Protection Services Training Academy
- Investigative Services Agency dba I.S.A. Training Academy, Inc.
- National Investigators & Security Academy, Inc.
- Private Police & Security Training School
- New Life Security Co. Inc.
- Strike Tactical Solutions
- Personal Protection Group, The
- Lassiter Investigative Training Academy
- Homeland Security Training Institute, Inc.
- James W. Phelan Security Services, Inc.
- Levy Security Consultants
- PTC Security Training Academy
- M S A Security Guard
- Metropolitan Investigations & Security Services, Inc.
- Safeshot Ltd.
- Michael R. Donovan & Associates Ltd.
- Security Training Center, Inc.
- Prof. Protection Specialists LLC Training Academy
- Rich Wooten & Associates
- Security Protection Enforcement Academy
- Stanley Smith Security Inc.
- Terrence Knox Productions. Inc.
- Top Gun Security Training Academy
- Training Academy for Professional Security, Inc.
- Triplets Security Training Academy
- Safety and Protection Management, Inc.
- Walk-in-Prayer Security Training Academy
- Worldwide Security Services Ltd.
- H & B Training Institute of America, Inc.
- Illinois Academy of Business & Public Security
- Total Security Management, Inc.
- National Investigation Services
Northwestern Illinois Schools
- Black Hawk College
- Illinois Central College
- Western Illinois University
- Security Services, Inc.
- Northwest Suburban Tactical Training Center
- Royster Security & Firearms Training
- Spencer Brothers, Inc.
- Suburban Patrol
Southeastern Illinois Schools
Southwestern Illinois Schools
West Central Illinois Schools