| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| MSP1 INTELLIGENCE CORP | Business | 122001012 | CHICAGO | ACTIVE | Verify |
| MSP1 INTELLIGENCE CORP | Business | 123000315 | CHICAGO | CLOSED | Verify |
| MUELLER SYSTEMS INC | Business | 127000744 | NAPERVILLE | INOPERATIVE | Verify |
| MULTI-COUNTY SECURITY INC | Business | 122000136 | CHICAGO HEIGHTS | CANCELLED | Verify |
| MULTI-COUNTY SECURITY INC | Business | 127000041 | CHICAGO HEIGHTS | NOT RENEWED | Verify |
| MULTI-COUNTY SECURITY INC | Business | 117000129 | CHICAGO HEIGHTS | CLOSED | Verify |
| MULTIMEDIA SECURITY SERVICES INC | Business | 128000079 | VILLA PARK | NOT RENEWED | Verify |
| MUNICIPAL COLLECTION | Business | 120100095 | PALOS HEIGHTS | NOT RENEWED | Verify |
| MUNICIPAL TRUST & SAVINGS BANK | Business | 120500160 | BOURBONNAIS | ACTIVE | Verify |
| MUNSON SECURITY & PATROL | Business | 122000713 | PARK CITY | NOT RENEWED | Verify |
| MUNSON SECURITY SERVICE INC | Business | 122000146 | WHEELING | NOT RENEWED | Verify |
| MURDALE TRUE VALUE INC | Business | 192000121 | CARBONDALE | NOT RENEWED | Verify |
| MURPHY ELECTRIC | Business | 127000081 | WEST FRANKFORT | NOT RENEWED | Verify |
| MURRCO INC | Business | 127001059 | NORTHWOODS | NOT RENEWED | Verify |
| MUTUAL BANK | Business | 120500084 | HARVEY | NOT RENEWED | Verify |
| MVA LLC | Business | 192000320 | WILLOWBROOK | ACTIVE | Verify |
| MVM INC | Business | 123000328 | LANSING | NOT RENEWED | Verify |
| MVP SECURITY INC | Business | 122001343 | CHICAGO | ACTIVE | Verify |
| MY NET SECURITY, INC. | Business | 127001888 | CHICAGO | ACTIVE | Verify |
| MYDATT SERVICES INC | Business | 123000405 | CARBONDALE | NOT RENEWED | Verify |
| MYDATT SERVICES INC | Business | 123000175 | MACHESNEY PARK | NOT RENEWED | Verify |
| MYDATT SERVICES INC | Business | 123000268 | GURNEE | CANCELLED | Verify |
| MYDATT SERVICES INC | Business | 123000390 | CHICAGO | NOT RENEWED | Verify |
| MYDATT SERVICES INC | Business | 123000369 | MOLINE | NOT RENEWED | Verify |
| MYDATT SERVICES INC | Business | 123000407 | BURR RIDGE | NOT RENEWED | Verify |
| MYDATT SERVICES INC | Business | 123000308 | LINCOLNSHIRE | CLOSED | Verify |
| MYERS SERVICE INC | Business | 118000199 | CHICAGO | CLOSED | Verify |
| MYERS SERVICE INC | Business | 127000176 | CHICAGO | NOT RENEWED | Verify |
| MYERS SERVICE INC | Business | 117000206 | CHICAGO | ACTIVE | Verify |
| MYERS SERVICE INC | Business | 118000202 | CHICAGO | NOT RENEWED | Verify |
| MYERS SERVICE INC | Business | 122000216 | CHICAGO | NOT RENEWED | Verify |
| MYERS SERVICE INC | Business | 118000333 | MORTON GROVE | INACTIVE | Verify |
| MYKAL AND ASSOCIATES | Business | 117000202 | GLENVIEW | NOT RENEWED | Verify |
| NACIONAL SECURITY & INVESTIGATIONS GROUP INC | Business | 122001604 | NILES | ACTIVE | Verify |
| NACIONAL SECURITY & INVESTIGATIONS GROUP INC | Business | 117001900 | NILES | ACTIVE | Verify |
| NACIONAL SECURITY GROUP INC | Business | 122001231 | CHICAGO | NOT RENEWED | Verify |
| NAS ELECTRONIC INC | Business | 127000999 | CHICAGO | NOT RENEWED | Verify |
| NASTASSJA'S LEGAL SERVICES GROUP LLC | Business | 117001926 | CALUMET CITY | ACTIVE | Verify |
| NATE INC | Business | 192000235 | ROCKFORD | ACTIVE | Verify |
| NATION WIDE SECURITY | Business | 122000660 | LANSING | NOT RENEWED | Verify |
| NATION WIDE SECURITY | Business | 122000726 | LANSING | NOT RENEWED | Verify |
| NATIONAL SIU INC | Business | 117001309 | SCHAUMBURG | ACTIVE | Verify |
| NATIONAL ACADEMY OF POLICE SCIENCE INC | Business | 201000096 | CHICAGO | CANCELLED | Verify |
| NATIONAL ALARM COMPANY LLC | Business | 127001472 | BETHALTO | NOT RENEWED | Verify |
| NATIONAL CENTRAL SPECIAL SERVICES INC | Business | 117000626 | NAPERVILLE | NOT RENEWED | Verify |
| NATIONAL COUNTERMEASURES GROUP | Business | 127000537 | SPRINGFIELD | NOT RENEWED | Verify |
| NATIONAL DATAVISION INC | Business | 127000689 | WESTMONT | NOT RENEWED | Verify |
| NATIONAL DETECTIVE AGCY AND | Business | 201000083 | LINCOLNWOOD | CLOSED | Verify |
| NATIONAL GUARDIAN ALARM SERVICES | Business | 127000355 | CHICAGO | NOT RENEWED | Verify |
| NATIONAL GUARDIAN SECURITY SERVICES CORP | Business | 122000306 | CHICAGO | NOT RENEWED | Verify |