| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| INTERURBAN DETECTIVE | Business | 201000090 | CHICAGO | ACTIVE | Verify |
| INST FOR APPLIED LAW | Business | 201000200 | LOMBARD | ACTIVE | Verify |
| PINKERTONS INC | Business | 201000091 | PEORIA | ACTIVE | Verify |
| SIUE EAST ST LOUIS CAMPUS | Business | 201000204 | EAST ST LOUIS | ACTIVE | Verify |
| PRIVATE SECURITY INSTITUTE | Business | 201000214 | ITASCA | ACTIVE | Verify |
| E V ALLEN ASSOCS | Business | 201000094 | BELLWOOD | ACTIVE | Verify |
| OHLSON INVESTIGATION | Business | 201000218 | ROSELLE | ACTIVE | Verify |
| ROBERTS DETECTIVE AGCY | Business | 201000098 | CHICAGO | CLOSED | Verify |
| MCHENRY COUNTY COLLEGE | Business | 201000223 | CRYSTAL LAKE | ACTIVE | Verify |
| ATLAS GUARD SERVICE | Business | 201000220 | CHICAGO | ACTIVE | Verify |
| ILLINOIS COUNTIES SCHOOL OF | Business | 201000103 | MOUNT PROSPECT | ACTIVE | Verify |
| SPOON RIVER COLLEGE | Business | 201000238 | CANTON | ACTIVE | Verify |
| KS MERCHANDISE MART | Business | 201000221 | SPRINGFIELD | ACTIVE | Verify |
| BRINK DETECTIVE AGCY | Business | 201000105 | CRYSTAL LAKE | ACTIVE | Verify |
| CRETE POLICE TRAINING SCHOOL | Business | 201000822 | CRETE | ACTIVE | Verify |
| R J MCGOUGH & ASSOCIATES | Business | 201000229 | RIVER FOREST | ACTIVE | Verify |
| CAPITOL DETECTIVE AGCY | Business | 201000106 | SKOKIE | ACTIVE | Verify |
| ILLINOIS STATE POLICE ACADEMY | Business | 201000827 | SPRINGFIELD | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000816 | CHICAGO | ACTIVE | Verify |
| TWO SECURITY SERVICE | Business | 201000107 | CHICAGO | ACTIVE | Verify |
| FLORA POLICE DEPARTMENT | Business | 201000836 | FLORA | ACTIVE | Verify |
| SOUTHERN ILLINOIS UNIVERSITY | Business | 201000828 | CARBONDALE | ACTIVE | Verify |
| SECURITY SERVICES INC | Business | 201000113 | QUINCY | ACTIVE | Verify |
| I L G L E O T B MOBILE TEAM 10 | Business | 201000841 | SPRINGFIELD | ACTIVE | Verify |
| CENTURION SECURITY INC | Business | 201000116 | NAPERVILLE | ACTIVE | Verify |
| POLICE TRAINING INSTITUTE U OF I | Business | 201000136 | CHAMPAIGN | ACTIVE | Verify |
| SEARS ROEBUCK AND CO | Business | 201000145 | CHICAGO | ACTIVE | Verify |
| MORTON COLLEGE | Business | 201000161 | CICERO | ACTIVE | Verify |
| AREA PROTECTIVE SYSTEMS | Business | 201000163 | DOWNERS GROVE | CLOSED | Verify |
| PARKLAND COLLEGE | Business | 201000168 | CHAMPAIGN | ACTIVE | Verify |
| SAXON PAINT AND HOME | Business | 201000169 | CHICAGO | ACTIVE | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 201000170 | DECATUR | ACTIVE | Verify |
| ALLIED NATIONAL DETECTIVE AGCY | Business | 201000172 | DECATUR | CLOSED | Verify |
| METRO PROBE SERVICE | Business | 201000188 | AURORA | ACTIVE | Verify |
| STANDARD OIL INDIANA | Business | 201000194 | CHICAGO | ACTIVE | Verify |
| GLOBAL ENT SCHOOL OF | Business | 201000199 | CHICAGO | ACTIVE | Verify |
| DAVIS SECURITY INC | Business | 201000210 | DECATUR | ACTIVE | Verify |
| W T PANICHI PROFESSIONAL INVESTIGATIONS | Business | 201000227 | SPRINGFIELD | ACTIVE | Verify |
| FALCON ENTERPRISES LTD | Business | 201000231 | GLEN ELLYN | ACTIVE | Verify |
| INTERSEC ASSOCS | Business | 201000233 | CHICAGO HEIGHTS | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000803 | CHICAGO | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000804 | CHICAGO | ACTIVE | Verify |
| BENSENVILLE POLICE DEPT | Business | 201000815 | BENSENVILLE | ACTIVE | Verify |
| ILLINOIS STATE POLICE TRAINING ACADEMY | Business | 201000830 | PECATONICA | ACTIVE | Verify |
| ILLINOIS STATE POLICE DIST 14 | Business | 201000832 | MACOMB | ACTIVE | Verify |
| CENTRAL ILL POLICE TRAINING CENTER | Business | 201000835 | EAST PEORIA | ACTIVE | Verify |
| WESTERN ILL UNIVERSITY | Business | 201000837 | GALESBURG | ACTIVE | Verify |
| ON-LINE SECURITY SYSTEMS LLC | Business | 265000011 | ROCKFORD | ACTIVE | Verify |
| IPC INTERNATIONAL CORP | Business | 264000002 | BANNOCKBURN | ACTIVE | Verify |
| SPECIAL INVESTIGATION SERVICE, INC | Business | 117001140 | BURNHAM | NOT RENEWED | Verify |