| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| B AND B SECURITY SYSTEMS | Business | 127000576 | GRANITE CITY | NOT RENEWED | Verify |
| TRICOM COMMUNICATIONS INC | Business | 127000577 | BENSENVILLE | CLOSED | Verify |
| ALARMS CENTRAL VAC INTERCOM SYSTEMS INC | Business | 127000581 | SOMONAUK | NOT RENEWED | Verify |
| ATLAS LOCK & ALARM | Business | 127000592 | DECATUR | INOPERATIVE | Verify |
| VIGILANTE SECURITY SYSTEMS | Business | 127000598 | NORTHBROOK | NOT RENEWED | Verify |
| HOME GUARD SECURITY SYSTEMS INC | Business | 127000614 | WAUKEGAN | NOT RENEWED | Verify |
| CHICAGO SQUARE Z ELECTRIC COMP INC | Business | 127000622 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| ALARM PROTECTION INC | Business | 127000624 | MOUND CITY | NOT RENEWED | Verify |
| RELIANCE PROTECTION SERVICES LTD | Business | 127000629 | SCHAUMBURG | NOT RENEWED | Verify |
| ILLINI BUILDERS COMPANY OF OLNEY | Business | 127000630 | OLNEY | NOT RENEWED | Verify |
| FOX VALLEY FIRE AND SAFETY CO | Business | 127000631 | ELGIN | ACTIVE | Verify |
| COMMERCIAL LIGHT CO | Business | 127000654 | HILLSIDE | NOT RENEWED | Verify |
| FORBES INCORPORATED | Business | 127000657 | BELLWOOD | NOT RENEWED | Verify |
| MEADE ELECTRIC CO INC | Business | 127000659 | WILLOWBROOK | ACTIVE | Verify |
| FRIES WALTERS CO | Business | 127000661 | HILLSIDE | NOT RENEWED | Verify |
| A H I COMPANY | Business | 127000664 | SPRINGFIELD | NOT RENEWED | Verify |
| GENERAL BURGLAR ALARM CO INC | Business | 127000686 | CHICAGO | ACTIVE | Verify |
| RICHMOND ELECTRIC CO | Business | 127000694 | BERWYN | NOT RENEWED | Verify |
| ERLAND'S ELECTRICAL CONTRACTORS INC | Business | 127000700 | GLENVIEW | NOT RENEWED | Verify |
| CONTROL SECURITY SYSTEMS INC | Business | 127000705 | SWANSEA | CLOSED | Verify |
| NORTH SUBURBAN ALARM | Business | 127000706 | WHEELING | INOPERATIVE | Verify |
| SECURITY SYSTEMS | Business | 127000716 | ITASCA | NOT RENEWED | Verify |
| THOMAS ELECTRIC COMPANY INC | Business | 127000722 | ELK GROVE VILLAGE | INOPERATIVE | Verify |
| CASTLE HOME SECURITY | Business | 127000724 | SCHAUMBURG | NOT RENEWED | Verify |
| SECURITY ALARM CORPORATION | Business | 127000725 | SALEM | ACTIVE | Verify |
| PRO-TECH CONSTRUCTION MANAGEMENT INC | Business | 127000737 | WEST CHICAGO | NOT RENEWED | Verify |
| NU AGE INC | Business | 127000742 | CHICAGO | NOT RENEWED | Verify |
| ALM ENTERPRISES OF MCHENRY LTD | Business | 127000757 | MCHENRY | ACTIVE | Verify |
| CHIEF SECURITY CORPORATION | Business | 127000763 | CHICAGO | INOPERATIVE | Verify |
| ACTION ALARMS INC | Business | 127000777 | NORTHBROOK | NOT RENEWED | Verify |
| NATIONAL SECURITY SYSTEMS INC | Business | 127000789 | ROLLING MEADOWS | NOT RENEWED | Verify |
| WEST SHORE SECURITY | Business | 127000799 | MUNDELEIN | NOT RENEWED | Verify |
| MID-ILLINOIS ELECTRIC INC | Business | 127000808 | PONTIAC | NOT RENEWED | Verify |
| ATLAS ALARM CO INC | Business | 127000809 | BELLEVILLE | NOT RENEWED | Verify |
| ROCKFORD TECH-SYSTEMS INC | Business | 127000823 | ROCKFORD | ACTIVE | Verify |
| SECURITY SOLUTIONS INC | Business | 127000826 | BROADVIEW | ACTIVE | Verify |
| RUSSCO SECURITY SYSTEM INC | Business | 127000839 | MILLSTADT | NOT RENEWED | Verify |
| H J LAKOMA SECURITY INC | Business | 127000840 | CHICAGO | INOPERATIVE | Verify |
| O K J SECURITY AND | Business | 127000860 | CHICAGO | NOT RENEWED | Verify |
| ABSOLUTE PROTECTIVE TECHNOLOGIES INC | Business | 127000876 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| ION SECURITY INDUSTRIES | Business | 127000878 | OAK PARK | NOT RENEWED | Verify |
| TECK TRON INC | Business | 127000880 | MOKENA | NOT RENEWED | Verify |
| AMERIGUARD SECURITY & COMMUNICATIONS INC | Business | 127000883 | LAKE VILLA | NOT RENEWED | Verify |
| SEAL-TIGHT ELECTRICAL CONTRACTING | Business | 127000900 | SCHAUMBURG | INOPERATIVE | Verify |
| APOLLO DETECTIVE AGENCY INC | Business | 127000906 | CALUMET PARK | NOT RENEWED | Verify |
| FIRE & SECURITY SPECIALIST INC | Business | 127000915 | ALSIP | NOT RENEWED | Verify |
| AMERICA MIDWESTERN SECURITY SYSTEM INC | Business | 127000931 | WOOD DALE | NOT RENEWED | Verify |
| DIGITAL DETECTION CORPORATION | Business | 127000937 | ELMHURST | NOT RENEWED | Verify |
| HOMETRONICS | Business | 127000949 | WESTMONT | NOT RENEWED | Verify |
| SECURITY ASSOCIATES INTERNATIONAL INC | Business | 127000952 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |