| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| WOODLAWN CAREER VOCATIONAL INSTITUTE | Business | 201000157 | CHICAGO | ACTIVE | Verify |
| WOODRUFF SECURITY | Business | 122000395 | DECATUR | NOT RENEWED | Verify |
| WOODS LUX & SALVATORE INVESTIGATIONS LTD | Business | 122000149 | CHICAGO | CLOSED | Verify |
| WOOTEN PROTECTIVE SERVICES INC | Business | 122001224 | CHICAGO | NOT RENEWED | Verify |
| WORLD INVESTIGATION AGENCY | Business | 117001401 | CHICAGO | NOT RENEWED | Verify |
| WORLD SECURITY & CONTROL INC | Business | 127000099 | PALATINE | ACTIVE | Verify |
| WORLD SECURITY AGENCY | Business | 122001069 | CHICAGO | NOT RENEWED | Verify |
| WORLD SECURITY AGENCY | Business | 123000347 | CHICAGO | NOT RENEWED | Verify |
| WORLD SECURITY INC | Business | 127000867 | WESTCHESTER | CANCELLED | Verify |
| WORLD SECURITY OF ILLINOIS INC | Business | 127001653 | EAST DUNDEE | NOT RENEWED | Verify |
| WORLD WIDE INVESTIGATIONS | Business | 117000095 | WOODDALE | NOT RENEWED | Verify |
| WORLD WIDE INVESTIGATIONS | Business | 122000079 | WOODDALE | INOPERATIVE | Verify |
| WORLD WIDE SECURITY INC | Business | 122000550 | CHICAGO | NOT RENEWED | Verify |
| WORLD WIDE TECHNOLOGY LLC | Business | 120500176 | EDWARDSVILLE | ACTIVE | Verify |
| WORLD-WIDE PROTECTION GROUP INC | Business | 122000932 | LANSING | NOT RENEWED | Verify |
| WORLD-WIDE PROTECTION GROUP INC | Business | 117001444 | LANSING | NOT RENEWED | Verify |
| WORLDWIDE INVESTIGATIVE SERVICES INC | Business | 117000780 | LEMONT | NOT RENEWED | Verify |
| WORLDWIDE SECURITY SERVICES LTD | Business | 102000179 | LEMONT | ACTIVE | Verify |
| WORLDWIDE SECURITY SERVICES LTD | Business | 117000705 | HINSDALE | NOT RENEWED | Verify |
| WPI INC | Business | 117001288 | SKOKIE | ACTIVE | Verify |
| WR SECURITY SERVICES INC | Business | 122001623 | CHICAGO | ACTIVE | Verify |
| XPERT INVESTIGATIONS LLC | Business | 122001412 | CHICAGO | NOT RENEWED | Verify |
| XPERT INVESTIGATIONS LLC | Business | 117001770 | CHICAGO | ACTIVE | Verify |
| XTREME FIRE PROTECTION LLC | Business | 127001648 | TINLEY PARK | ACTIVE | Verify |
| XTREME PROTECTION SERVICES LLC | Business | 122001277 | DEER PARK | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 127001108 | BELLEVILLE | CANCELLED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 201000171 | BELLEVILLE | ACTIVE | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 201000170 | DECATUR | ACTIVE | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 123000071 | DECATUR | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 123000072 | CHAMPAIGN | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 123000247 | WESTCHESTER | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 123000125 | CHICAGO | INOPERATIVE | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 123000269 | JOPPA | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 122000372 | BELLEVILLE | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 122000372 | BELLEVILLE | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 122000372 | BELLEVILLE | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 117001514 | BELLEVILLE | NOT RENEWED | Verify |
| YALE ENFORCEMENT SERVICES INC | Business | 123000064 | BELLEVILLE | NOT RENEWED | Verify |
| YALE SECURITY SYSTEMS INC | Business | 127001695 | BELLEVILLE | CLOSED | Verify |
| YOUNG'S INC | Business | 128000117 | DECATUR | NOT RENEWED | Verify |
| YOUNG'S INC | Business | 128000116 | MARION | NOT RENEWED | Verify |
| YOUNG'S INC | Business | 128000119 | SPRINGFIELD | NOT RENEWED | Verify |
| YOUNG'S INC | Business | 127000484 | SPRINGFIELD | NOT RENEWED | Verify |
| YOUNG'S INC | Business | 128000120 | CHAMPAIGN | NOT RENEWED | Verify |
| YOUNG'S INC | Business | 128000121 | SPRINGFIELD | NOT RENEWED | Verify |
| YOUNGS SECURITY SYSTEMS INC | Business | 128000105 | BLOOMINGTON | NOT RENEWED | Verify |
| YOUNGS SECURITY SYSTEMS INC | Business | 127000966 | SPRINGFIELD | ACTIVE | Verify |
| YOUR HOME SECURITY SERVICE INC | Business | 127001361 | HOMEWOOD | NOT RENEWED | Verify |
| Z & S GLOBAL SECURITY AGENCY INC | Business | 122000962 | CHICAGO | NOT RENEWED | Verify |
| Z&S GLOBAL SECURITY AGENCY INC | Business | 122001029 | PALOS HILLS | NOT RENEWED | Verify |