| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| INTERNATIONAL TOTAL SERVICES INC | Business | 123000109 | BLOOMINGTON | NOT RENEWED | Verify |
| INTERNATIONAL TOTAL SERVICES INC | Business | 123000110 | QUINCY | CANCELLED | Verify |
| INTERNATIONAL TOTAL SERVICES INC | Business | 123000120 | SAVOY | NOT RENEWED | Verify |
| INTERNATIONAL TOTAL SERVICES INC | Business | 123000157 | SPRINGFIELD | NOT RENEWED | Verify |
| INTERNATIONAL TRACE, INC. | Business | 117001684 | LOMBARD | NOT RENEWED | Verify |
| INTERSEARCH INC | Business | 117001190 | LINCOLNWOOD | NOT RENEWED | Verify |
| INTERSEC ASSOCIATES | Business | 117000088 | CHICAGO HEIGHTS | NOT RENEWED | Verify |
| INTERSEC ASSOCIATES | Business | 117000668 | PEOTONE | NOT RENEWED | Verify |
| INTERSEC ASSOCIATES | Business | 122000072 | CHICAGO HEIGHTS | NOT RENEWED | Verify |
| INTERSEC ASSOCS | Business | 201000233 | CHICAGO HEIGHTS | ACTIVE | Verify |
| INTERSTATE ALARM INC | Business | 127000257 | DOLTON | NOT RENEWED | Verify |
| INTERSTATE ELECTRONIC SECURITY INC | Business | 127001052 | ELMHURST | NOT RENEWED | Verify |
| INTERSTATE ELECTRONICS CO | Business | 127001448 | WILLOWBROOK | ACTIVE | Verify |
| INTERSTATE ELECTRONICS COMPANY | Business | 127000532 | WILLOWBROOK | NOT RENEWED | Verify |
| INTERSTATE INVESTIGATIONS | Business | 117000302 | DANVILLE | NOT RENEWED | Verify |
| INTERSTATE INVESTIGATIONS | Business | 118000006 | BLOOMINGTON | NOT RENEWED | Verify |
| INTERSTATE INVESTIGATIONS AGENCY | Business | 127000010 | LANSING | NOT RENEWED | Verify |
| INTERSTATE INVESTIGATIONS AGENCY | Business | 117000058 | LANSING | NOT RENEWED | Verify |
| INTERSTATE INVESTIGATIONS AGENCY | Business | 122000048 | LANSING | NOT RENEWED | Verify |
| INTERSTATE REPORTING | Business | 117000641 | ORLAND PARK | NOT RENEWED | Verify |
| INTERSTATE REPORTING | Business | 117000710 | CHICAGO | NOT RENEWED | Verify |
| INTERSTATE SERVICE CORP | Business | 201000012 | CHICAGO | ACTIVE | Verify |
| INTERTECH GROUP INC | Business | 122000661 | ELMHURST | NOT RENEWED | Verify |
| INTERTEL INC | Business | 117000919 | DUPO | NOT RENEWED | Verify |
| INTERTEL INC | Business | 117001536 | BELLEVILLE | NOT RENEWED | Verify |
| INTERURBAN DETECTIVE | Business | 201000090 | CHICAGO | ACTIVE | Verify |
| INTERURBAN SECURITY GROUP | Business | 122000331 | CHICAGO | NOT RENEWED | Verify |
| INTREPID INVESTIGATIONS INC | Business | 117000884 | CHICAGO | NOT RENEWED | Verify |
| INTRICATE ENTERPRISES INC | Business | 117000605 | WHEATON | NOT RENEWED | Verify |
| INVESTIGATION & SECURITY SCHOOL OF TRAINING | Business | 102000164 | CHICAGO | ACTIVE | Verify |
| INVESTIGATION CONTRACTORS INC | Business | 117000059 | PEORIA | NOT RENEWED | Verify |
| INVESTIGATIONS & SECURITY SERVICES INC | Business | 122000260 | CHICAGO | NOT RENEWED | Verify |
| INVESTIGATIONS AND SECURITY SERVICES INC | Business | 117000350 | CHICAGO | NOT RENEWED | Verify |
| INVESTIGATIONS INC | Business | 117000606 | CHICAGO | INOPERATIVE | Verify |
| INVESTIGATIONS INTERNATIONAL | Business | 118000141 | ROSELLE | INOPERATIVE | Verify |
| INVESTIGATIONS INTERNATIONAL | Business | 117000750 | BEACH PARK | CLOSED | Verify |
| INVESTIGATIONS INTERNATL ALARM DIVISION | Business | 127000470 | ANTIOCH | NOT RENEWED | Verify |
| INVESTIGATIONS INTERNATL SECURITY DIV | Business | 122000360 | ANTIOCH | NOT RENEWED | Verify |
| INVESTIGATIVE ASSOCIATES | Business | 117000789 | SPRINGFIELD | NOT RENEWED | Verify |
| INVESTIGATIVE ASSOCIATES | Business | 118000157 | QUINCY | NOT RENEWED | Verify |
| INVESTIGATIVE CONSULTANTS INC | Business | 117000495 | CHICAGO | NOT RENEWED | Verify |
| INVESTIGATIVE GROUP INC | Business | 117000602 | CHICAGO | CLOSED | Verify |
| INVESTIGATIVE INSIGHTS | Business | 117001040 | AURORA | CLOSED | Verify |
| INVESTIGATIVE OPTIONS INC | Business | 117000951 | DOWNERS GROVE | INOPERATIVE | Verify |
| INVESTIGATIVE PROTECTION AGENCY INC | Business | 117001315 | BURBANK | NOT RENEWED | Verify |
| INVESTIGATIVE PROTECTION AGENCY INC | Business | 122001013 | BURBANK | NOT RENEWED | Verify |
| INVESTIGATIVE RESEARCH AGCY INC | Business | 117000228 | CHICAGO | NOT RENEWED | Verify |
| INVESTIGATIVE RESEARCH AGENCY INC | Business | 122000330 | CHICAGO | NOT RENEWED | Verify |
| INVESTIGATIVE RESEARCH CONSULTANTS INC | Business | 117000968 | CHICAGO | ACTIVE | Verify |
| INVESTIGATIVE RESEARCH CONSULTANTS INC | Business | 118000175 | WHEATON | NOT RENEWED | Verify |