| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| LINCOLN-WAY ELECTRONICS | Business | 127000237 | NEW LENOX | NOT RENEWED | Verify |
| JEWELL ELECTRIC INC | Business | 127000238 | WAUKEGAN | NOT RENEWED | Verify |
| KIL-BAR ELECTRIC COMPANY | Business | 127000244 | CHICAGO | NOT RENEWED | Verify |
| CONTINENTAL ELECTRICAL CONSTRUCTION CO | Business | 127000246 | OAK BROOK | NOT RENEWED | Verify |
| BARR ELECTRIC CORPORATION | Business | 127000250 | WHEELING | NOT RENEWED | Verify |
| TELELARM CORPORATION | Business | 127000254 | GLEN ELLYN | CANCELLED | Verify |
| MIDWEST ALARM SYSTEMS INC | Business | 127000261 | BURR RIDGE | NOT RENEWED | Verify |
| CONSTANT SECURITY SYSTEMS INC | Business | 127000275 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| WILLIAM MASTERS INC | Business | 127000287 | BLOOMINGTON | NOT RENEWED | Verify |
| EFFECTIVE SECURTY SOLUTIONS INC | Business | 127000301 | BLOOMINGDALE | ACTIVE | Verify |
| D'JOY ALARM SYSTEMS INC | Business | 127000302 | MARSEILLES | ACTIVE | Verify |
| AVANTGARDE LOOP SECURITY SERVICES INC | Business | 127000309 | CHICAGO | NOT RENEWED | Verify |
| SWANSON SECURITY COMPANY INC | Business | 127000323 | PALOS PARK | ACTIVE | Verify |
| KEN'S SECURITY PLUS | Business | 127000324 | CHICAGO | NOT RENEWED | Verify |
| PRO-ALARM | Business | 127000325 | MARINE | CHANGE OF OWNERSHIP | Verify |
| PASCHALL ELECTRIC INC | Business | 127000346 | MARION | NOT RENEWED | Verify |
| L AND R SECURITY CORPORATION | Business | 127000349 | GRANITE CITY | INOPERATIVE | Verify |
| GLOSS GUARD AND INVESTIGATION SERV INC | Business | 127000369 | GLEN ELLYN | INOPERATIVE | Verify |
| INNER SECURITY SYSTEMS INC | Business | 127000370 | OSWEGO | ACTIVE | Verify |
| CAPTAIN'S SECURITY CORPORATION | Business | 127000373 | WAUKEGAN | CANCELLED | Verify |
| ABLE ALARM ASSISTANCE | Business | 127000383 | CRYSTAL LAKE | INACTIVE | Verify |
| DYNAMIC INQUIRIES INC | Business | 127000387 | OAK FOREST | NOT RENEWED | Verify |
| NORTH SHORE SECURITY | Business | 127000399 | EVANSTON | CLOSED | Verify |
| CLASSIC SECURITY SYSTEMS COMPANY | Business | 127000410 | ROSELLE | NOT RENEWED | Verify |
| ACCURATE ALARM SYSTEMS AND SECURITY | Business | 127000417 | CHICAGO | NOT RENEWED | Verify |
| OK ELECTRIC COMPANY INC | Business | 127000427 | NAPERVILLE | NOT RENEWED | Verify |
| ADVANCE SECURITY AND | Business | 127000437 | JOLIET | NOT RENEWED | Verify |
| TEL-STAR SECURITY INC | Business | 127000440 | CHICAGO | INOPERATIVE | Verify |
| PRO COM DIV OF BALLARD ELECTRIC INC | Business | 127000443 | ROCKFORD | NOT RENEWED | Verify |
| LOUGHLIN AND SONS INC | Business | 127000459 | TINLEY PARK | INOPERATIVE | Verify |
| RALPH BRADLEY CORPORATION | Business | 127000460 | NORTHFIELD | NOT RENEWED | Verify |
| AEC FIRE-SAFETY & SECURITY INC | Business | 127000464 | SPRINGFIELD | ACTIVE | Verify |
| ATKINSON ELECTRIC INC | Business | 127000465 | SPRINGFIELD | NOT RENEWED | Verify |
| MCILVAINE ELECTRONICS INC | Business | 127000471 | ST CHARLES | NOT RENEWED | Verify |
| GETZ FIRE EQUIPMENT COMPANY | Business | 127000473 | PEORIA | ACTIVE | Verify |
| NILES SECURITY INC | Business | 127000485 | NILES | NOT RENEWED | Verify |
| A & R SECURITY SERVICES INC | Business | 127000500 | BLUE ISLAND | INOPERATIVE | Verify |
| MISSISSIPPI VALLEY ALARM COMPANY | Business | 127000509 | BELLEVILLE | CANCELLED | Verify |
| NELSON ELECTRONIC ALARM CO INC | Business | 127000511 | CRYSTAL LAKE | NOT RENEWED | Verify |
| A B E F SEC ALLIANCE | Business | 127000513 | BROOKFIELD | INOPERATIVE | Verify |
| EARTH SECURITY COMMUNICATIONS INC | Business | 127000535 | HICKORY HILLS | NOT RENEWED | Verify |
| BARCOM INC | Business | 127000524 | SWANSEA | ACTIVE | Verify |
| BARCOM INC | Business | 127000524 | SWANSEA | ACTIVE | Verify |
| FORTRESS SECURITY SYSTEMS | Business | 127000527 | CHICAGO | NOT RENEWED | Verify |
| LOOP DETECTIVE AGCY | Business | 127000530 | CHICAGO | NOT RENEWED | Verify |
| TWIN STATE ALERT SYSTEMS LTD | Business | 127000547 | GENESEO | NOT RENEWED | Verify |
| ALARM SECURITY INC | Business | 127000561 | DES PLAINES | ACTIVE | Verify |
| J K GUARDIAN SECURITY SERVICES INC | Business | 127000564 | BLUE ISLAND | ACTIVE | Verify |
| GUARDIAN PROTECTIVE SERVICES INC | Business | 127000566 | ROCKFORD | INOPERATIVE | Verify |
| ADAMS ELECTRIC CO | Business | 127000570 | WILMETTE | NOT RENEWED | Verify |