| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| SECURITY DYNAMICS CORPORATION | Business | 123000341 | CRYSTAL LAKE | NOT RENEWED | Verify |
| SECURITY DYNAMICS GROUP INC | Business | 117001295 | HOMEWOOD | CLOSED | Verify |
| SECURITY DYNAMICS GROUP INC | Business | 122000792 | HOMEWOOD | CLOSED | Verify |
| SECURITY ENFORCEMENT | Business | 102000104 | CHICAGO | ACTIVE | Verify |
| SECURITY ENFORCEMENT | Business | 122000720 | MELROSE PARK | NOT RENEWED | Verify |
| SECURITY ENFORCEMENT | Business | 122000471 | CHICAGO | NOT RENEWED | Verify |
| SECURITY ENFORCEMENT | Business | 117000918 | MELROSE PARK | NOT RENEWED | Verify |
| SECURITY ENFORCEMENT & INVESTIGATIONS INC | Business | 122001085 | CHICAGO | NOT RENEWED | Verify |
| SECURITY EXPERTS INC | Business | 122000350 | ELMWOOD PARK | NOT RENEWED | Verify |
| SECURITY EXPERTS INC | Business | 117000748 | OAK LAWN | NOT RENEWED | Verify |
| SECURITY EXPERTS OF ILLINOIS | Business | 122000617 | OAK LAWN | NOT RENEWED | Verify |
| SECURITY FORCE 40 HOUR FIREARM COURSE | Business | 102000288 | DOWNERS GROVE | ACTIVE | Verify |
| SECURITY INCORPORATED OF TENNESSEE | Business | 122000519 | PEKIN | NOT RENEWED | Verify |
| SECURITY INNOVATIONS INC | Business | 127001242 | CHICAGO | NOT RENEWED | Verify |
| SECURITY INSTALL GROUP INC | Business | 127001519 | WHEATON | NOT RENEWED | Verify |
| SECURITY INSTALLATION GROUP INC | Business | 127001439 | WHEATON | CANCELLED | Verify |
| SECURITY INSTALLATION GROUP INC | Business | 127000794 | PALOS HEIGHTS | NOT RENEWED | Verify |
| SECURITY INTEGRATION SPECIALISTS INC | Business | 127001721 | MANTENO | ACTIVE | Verify |
| SECURITY INTELLIGENCE GROUP INC | Business | 102000255 | MOKENA | ACTIVE | Verify |
| SECURITY INTELLIGENCE GROUP INC | Business | 122000876 | MIDLOTHIAN | NOT RENEWED | Verify |
| SECURITY INTELLIGENCE GROUP INC | Business | 117001094 | OAK FOREST | ACTIVE | Verify |
| SECURITY INTERVENTION NETWORK AGENCY INC | Business | 117001240 | CHICAGO | NOT RENEWED | Verify |
| SECURITY INTERVENTION NETWORK AGENCY INC | Business | 102000251 | CHICAGO | ACTIVE | Verify |
| SECURITY INTERVENTION NETWORK AGENCY INC | Business | 122000944 | CHICAGO | ACTIVE | Verify |
| SECURITY LEASING FUNDING II LLC DBA | Business | 127001049 | ELMHURST | NOT RENEWED | Verify |
| SECURITY LINC INC | Business | 127001711 | LINDENHURST | NOT RENEWED | Verify |
| SECURITY LOCK & ACCESS | Business | 192000300 | JACKSONVILLE | NOT RENEWED | Verify |
| SECURITY LOCK INC | Business | 192000251 | ROCHELLE | ACTIVE | Verify |
| SECURITY LOCK TECHNOLOGIES | Business | 127001885 | HANOVER PARK | ACTIVE | Verify |
| SECURITY LOGISTICS GROUP INC | Business | 117001762 | CRESTWOOD | NOT RENEWED | Verify |
| SECURITY MANAGEMENT & INVESTIGATIONS INC | Business | 117001136 | CHICAGO | NOT RENEWED | Verify |
| SECURITY MANAGEMENT & INVESTIGATIONS INC | Business | 123000339 | CHICAGO | NOT RENEWED | Verify |
| SECURITY MANAGEMENT & INVESTIGATIONS INC | Business | 118000272 | CHICAGO | NOT RENEWED | Verify |
| SECURITY MANAGEMENT & INVESTIGATIONS INC | Business | 122000861 | CHICAGO | NOT RENEWED | Verify |
| SECURITY MANAGEMENT ALARM SYSTEMS | Business | 127000028 | HICKORY HILLS | NOT RENEWED | Verify |
| SECURITY MANAGEMENT CO | Business | 127000545 | CHAMPAIGN | NOT RENEWED | Verify |
| SECURITY MANAGEMENT GROUP INC | Business | 127000478 | ADDISON | NOT RENEWED | Verify |
| SECURITY MANAGEMENT OF ASSETS RISKS AND THREATS, INC | Business | 122001497 | CHICAGO | ACTIVE | Verify |
| SECURITY NETWORK INC | Business | 127000830 | CHICAGO | INOPERATIVE | Verify |
| SECURITY NETWORK MANAGEMENT | Business | 122000826 | CHICAGO | INOPERATIVE | Verify |
| SECURITY OFFICERS BASIC TRAINING COURSE 101 | Business | 102000285 | DES PLAINES | ACTIVE | Verify |
| SECURITY OFFICERS INST OF APPL SCIENCE | Business | 102000086 | OLYMPIA FIELDS | ACTIVE | Verify |
| SECURITY ONE ALARM CORPORATION | Business | 127000815 | TINLEY PARK | NOT RENEWED | Verify |
| SECURITY ONE INC | Business | 122000900 | GRANITE CITY | NOT RENEWED | Verify |
| SECURITY OPERATIONS SPECIALIST INC | Business | 122001090 | CHICAGO | INOPERATIVE | Verify |
| SECURITY PARTNERS INTERNATIONAL INC | Business | 122000763 | LOMBARD | ACTIVE | Verify |
| SECURITY PLUS | Business | 127000930 | MOKENA | INOPERATIVE | Verify |
| SECURITY PRO INTEL INC | Business | 122001491 | LOVES PARK | ACTIVE | Verify |
| SECURITY PRO OF IL INC | Business | 122001406 | ROSCOE | NOT RENEWED | Verify |
| SECURITY PROCESS SERVICE INC | Business | 117000382 | QUINCY | NOT RENEWED | Verify |