| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| REED DETECTIVE AGENCY INC | Business | 117001055 | AURORA | NOT RENEWED | Verify |
| REED ELECTRIC INC | Business | 127000322 | BLOOMINGTON | INOPERATIVE | Verify |
| REED TREATMENT CLINIC | Business | 120100104 | CHICAGO | NOT RENEWED | Verify |
| REGENCY SECURITY SYSTEMS INC | Business | 127000573 | EVANSTON | NOT RENEWED | Verify |
| REGIONAL INVESTIGATOR INC | Business | 201000044 | LINCOLN | ACTIVE | Verify |
| REGIONAL INVESTIGATORS INC | Business | 117000274 | LINCOLN | NOT RENEWED | Verify |
| REGIONAL INVESTIGATORS INC | Business | 122000232 | LINCOLN | NOT RENEWED | Verify |
| REGIONAL INVESTIGATORS INC | Business | 102000024 | LINCOLN | ACTIVE | Verify |
| REGIONAL OFFICE OF EDUCATION #33 | Business | 262000124 | MONMOUTH | NOT RENEWED | Verify |
| REGIONAL OFFICE OF EDUCATION 1 | Business | 262000021 | QUINCY | ACTIVE | Verify |
| REGIONAL SECURITY | Business | 122000783 | CHICAGO | NOT RENEWED | Verify |
| REGIONAL SECURITY | Business | 123000193 | CHICAGO | NOT RENEWED | Verify |
| REGIONAL SECURITY | Business | 123000201 | CHICAGO | NOT RENEWED | Verify |
| REICHMAN JEWELERS INC | Business | 120100110 | OAK LAWN | NOT RENEWED | Verify |
| REID INVESTIGATIVE SERVICES INC | Business | 118000143 | OAK BROOK | NOT RENEWED | Verify |
| REID INVESTIGATIVE SERVICES INC | Business | 117000744 | CHICAGO | NOT RENEWED | Verify |
| RELATED SECURITY SERVICES INC | Business | 127001369 | CHICAGO | ACTIVE | Verify |
| RELIABLE ALARM SYSTEMS | Business | 127000362 | CHICAGO | ACTIVE | Verify |
| RELIABLE CARTAGE SECURITY | Business | 120100014 | BURBANK | CANCELLED | Verify |
| RELIABLE FIRE EQUIPMENT COMPANY | Business | 127000380 | ALSIP | ACTIVE | Verify |
| RELIABLE LOCK & SAFE CORPORATION | Business | 192000279 | MANHATTAN | ACTIVE | Verify |
| RELIANCE FIRE & SECURITY SYSTEMS INC | Business | 127000241 | PLANO | NOT RENEWED | Verify |
| RELIANCE PROTECTION SERVICES LTD | Business | 127000204 | ROSELLE | NOT RENEWED | Verify |
| RELIANCE PROTECTION SERVICES LTD | Business | 127000583 | ROSELLE | NOT RENEWED | Verify |
| RELIANCE PROTECTION SERVICES LTD | Business | 127000629 | SCHAUMBURG | NOT RENEWED | Verify |
| RELIANCE SECURITY SERVICES | Business | 102000330 | CHICAGO | ACTIVE | Verify |
| RELIANCE SECURITY SERVICES | Business | 122000953 | CHICAGO | ACTIVE | Verify |
| RELIANT INVESTIGATIVE SERVICES | Business | 117001944 | ORLAND PARK | ACTIVE | Verify |
| RELIONANT INVESTIGATIONS AND SECURITY SERVICES PLLC | Business | 117001886 | NORTH CHICAGO | ACTIVE | Verify |
| REMCO ELECTRICAL CORPORATION | Business | 127000684 | CHAMPAIGN | ACTIVE | Verify |
| REMPREX LLC | Business | 127001344 | LISLE | NOT RENEWED | Verify |
| REMPREX LLC | Business | 122001130 | WOODRIDGE | NOT RENEWED | Verify |
| RENAISSANCE COMMUNICATION SYSTEMS INC | Business | 127001327 | FRANKLIN PARK | ACTIVE | Verify |
| RENAULT INVESTIGATIONS INC | Business | 117001540 | GRANITE CITY | NOT RENEWED | Verify |
| RENAULT SECURITY SYSTEMS | Business | 127000491 | CHICAGO | NOT RENEWED | Verify |
| REND LAKE COLLEGE | Business | 102000122 | INA | ACTIVE | Verify |
| RENWICK ELECTRIC INC | Business | 127000681 | OTTAWA | NOT RENEWED | Verify |
| REPUBLIC BANK OF CHICAGO | Business | 120500067 | CHICAGO | NOT RENEWED | Verify |
| RES-TEK INC | Business | 127001070 | SCHAUMBURG | NOT RENEWED | Verify |
| RESCUE 8 SAFETY SERVICES, INC. | Business | 122001645 | CALUMET PARK | ACTIVE | Verify |
| RESCUE 8 SAFETY SERVICES, INC. | Business | 123000483 | CALUMET PARK | ACTIVE | Verify |
| RESCUE 8 SAFETY SERVICES, INC. | Business | 102000418 | CALUMET PARK | ACTIVE | Verify |
| RESCUE 8 SAFETY SERVICES, INC. | Business | 262000170 | CALUMET PARK | ACTIVE | Verify |
| RESCUE 8 SPECIAL EVENTS & TRAINING | Business | 122001416 | CALUMET PARK | NOT RENEWED | Verify |
| RESCUE 8 SPECIAL EVENTS & TRAINING | Business | 123000453 | CALUMET PARK | NOT RENEWED | Verify |
| RESCUE 8 SPECIAL EVENTS & TRAINING INC | Business | 122001541 | CALUMET PARK | INOPERATIVE | Verify |
| RESCUE 8 SPECIAL EVENTS & TRAINING INC | Business | 123000459 | CHICAGO | INOPERATIVE | Verify |
| RESCUE 8 SPECIAL EVENTS & TRAINING INC | Business | 262000152 | CALUMET PARK | ACTIVE | Verify |
| RESEARCH SERVICE BUREAU INC | Business | 117000412 | NAPERVILLE | NOT RENEWED | Verify |
| RESEARCH SERVICES INC | Business | 118000163 | DECATUR | NOT RENEWED | Verify |