| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| SENTRY INVESTIGATIONS AND SECURITY INC | Business | 117000376 | CHICAGO | CANCELLED | Verify |
| SENTRY INVESTIGATIONS AND SECURITY INC | Business | 122000142 | OAK LAWN | CANCELLED | Verify |
| SENTRY OPERATIONS SERVICE INC | Business | 122000524 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| SENTRY SAFETY SOLUTIONS INC | Business | 127001611 | CHICAGO | INOPERATIVE | Verify |
| SENTRY SECURITY AGENCY OF ST LOUIS INCORPORATED | Business | 122001429 | TRENTON | NOT RENEWED | Verify |
| SENTRY SECURITY GROUP LLC | Business | 127000910 | WHEELING | NOT RENEWED | Verify |
| SENTRY SECURITY INC | Business | 127000182 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| SENTRY SECURITY SERVICE | Business | 117000014 | SAUK VILLAGE | NOT RENEWED | Verify |
| SENTRY SECURITY SERVICES | Business | 122000009 | SAUK VILLAGE | NOT RENEWED | Verify |
| SENTRY SECURITY SYSTEMS INC | Business | 127000788 | PALOS HEIGHTS | NOT RENEWED | Verify |
| SENTRY SYSTEMS CORPORATION | Business | 127000563 | NORTHBROOK | CANCELLED | Verify |
| SERUM ALARM AND MONITORING LLC | Business | 127001352 | SPARTA | NOT RENEWED | Verify |
| SERVE IT LEGAL, PLLC | Business | 117001939 | CHICAGO | ACTIVE | Verify |
| SERVIAM USA PLLC | Business | 122001622 | CHICAGO | ACTIVE | Verify |
| SERVICE ELECTRIC CO | Business | 127000649 | ALSIP | NOT RENEWED | Verify |
| SERVICE MASTER SECURITY | Business | 127000001 | CHICAGO | NOT RENEWED | Verify |
| SERVICE MASTER SECURITY | Business | 122000069 | CHICAGO | NOT RENEWED | Verify |
| SERVICE MASTER SECURITY | Business | 117000083 | CHICAGO | NOT RENEWED | Verify |
| SERVICE SECURITY SYSTEMS | Business | 127000587 | CLARENDON HILLS | NOT RENEWED | Verify |
| SERVICE SECURITY TECHNOLOGIES INCORPORATED | Business | 127001243 | LOVES PARK | NOT RENEWED | Verify |
| SEVENTREES NORTH AMERICA LLC | Business | 117001060 | BELLEVILLE | NOT RENEWED | Verify |
| SEVERIN INVESTIGATIVE SERVICES INC | Business | 117000091 | WHEELING | NOT RENEWED | Verify |
| SGI SECURITY SYSTEMS | Business | 127000825 | BENSENVILLE | INOPERATIVE | Verify |
| SGM DELTA TECHNOLOGIES LLC | Business | 127001480 | CHICAGO | NOT RENEWED | Verify |
| SHADES SERVICES | Business | 117000844 | CHICAGO | ACTIVE | Verify |
| SHADOW 300 LLC | Business | 117001651 | ORLAND PARK | NOT RENEWED | Verify |
| SHADOW 300 LLC | Business | 262000038 | CHICAGO | NOT RENEWED | Verify |
| SHADOW INVESTIGATIONS INC | Business | 117001518 | SPRINGFIELD | NOT RENEWED | Verify |
| SHADOW INVESTIGATIONS LLC | Business | 117001147 | LIBERTYVILLE | INOPERATIVE | Verify |
| SHADOW INVESTIGATIVE | Business | 201000047 | SCHAUMBURG | ACTIVE | Verify |
| SHADOW INVESTIGATIVESERVICE INC | Business | 127000554 | SCHAUMBURG | NOT RENEWED | Verify |
| SHADOWLAWN INVESTIGATION SERVICES | Business | 117000882 | CRYSTAL LAKE | NOT RENEWED | Verify |
| SHAK ELECTRICAL SERVICES INC | Business | 127000644 | INGLESIDE | NOT RENEWED | Verify |
| SHAREEF SERVICES INC | Business | 117001397 | GLENWOOD | NOT RENEWED | Verify |
| SHAREEF SECURITY AND INVESTIGATIONS INC | Business | 122001178 | OLYMPIA FIELDS | NOT RENEWED | Verify |
| SHAREEF SECURITY AND INVESTIGATIONS INC | Business | 117001569 | MARKHAM | NOT RENEWED | Verify |
| SHARK SECURITY SERVICES INC | Business | 122001373 | SOUTH HOLLAND | ACTIVE | Verify |
| SHARK SECURITY SERVICES INC | Business | 102000384 | SOUTH HOLLAND | ACTIVE | Verify |
| SHARK SECURITY SYSTEMS INC | Business | 127001106 | CALUMET CITY | NOT RENEWED | Verify |
| SHARLEN ELECTRIC COMPANY | Business | 127001240 | CHICAGO | NOT RENEWED | Verify |
| SHATTUC SYSTEMS | Business | 122000363 | SHATTUC | CANCELLED | Verify |
| SHATTUC SYSTEMS | Business | 117000464 | SHATTUC | CANCELLED | Verify |
| SHAWNEE INVESTIGATIONS | Business | 117000087 | NEWTON | NOT RENEWED | Verify |
| SHAWNEE SECURITY SERVICE INC | Business | 127000593 | MARION | NOT RENEWED | Verify |
| SHEFFIELD RESEARCH INC | Business | 117000937 | RIVER FOREST | NOT RENEWED | Verify |
| SHEFFIELD SECURITY SYSTEMS | Business | 127000106 | CHICAGO | NOT RENEWED | Verify |
| SHELLY'S LOAN & JEWELRY CO | Business | 120500096 | CHICAGO | CLOSED | Verify |
| SHELLY'S LOAN & JEWELRY CO | Business | 120500139 | CHICAGO | NOT RENEWED | Verify |
| SHERMAN HOSPITAL SECURITY DEPARTMENT | Business | 201000126 | ELGIN | ACTIVE | Verify |
| SHIELD ELECTRONICS LLC | Business | 127001643 | VERNON HILLS | CLOSED | Verify |