| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| MEADOR INVESTIGATIONS | Business | 118000329 | MOLINE | ACTIVE | Verify |
| MEADOR INVESTIGATIONS | Business | 118000273 | MACOMB | NOT RENEWED | Verify |
| MEADOR INVESTIGATIONS | Business | 118000330 | DIETERICH | NOT RENEWED | Verify |
| MEADOR INVESTIGATIONS | Business | 118000210 | CHAMPAIGN | NOT RENEWED | Verify |
| MEADOR INVESTIGATIONS | Business | 118000286 | DANVILLE | NOT RENEWED | Verify |
| MEADOR INVESTIGATIONS | Business | 118000285 | SPRINGFIELD | NOT RENEWED | Verify |
| MEADOR INVESTIGATIONS | Business | 117001077 | LINCOLN | ACTIVE | Verify |
| MEANY ELECTRIC ENG CO INC | Business | 127000727 | EAST HAZEL CREST | NOT RENEWED | Verify |
| MECHANICAL SERVICE OF GALESBURG, INC. | Business | 122001043 | BARTONVILLE | NOT RENEWED | Verify |
| MECHANICAL SERVICE OF GALESBURG, INC. | Business | 127001335 | GALESBURG | NOT RENEWED | Verify |
| MECHANICAL SYSTEMS INC | Business | 127001083 | ROLLING MEADOWS | ACTIVE | Verify |
| MECHANICS PLANING MILL INC | Business | 192000259 | GLEN CARBON | NOT RENEWED | Verify |
| MEDLIN COMMUNICATIONS INC | Business | 127001328 | BURR RIDGE | INOPERATIVE | Verify |
| MEDX SECURITY LLC | Business | 122001344 | ALSIP | NOT RENEWED | Verify |
| MEGA SECURITY LTD | Business | 127001732 | CHICAGO | ACTIVE | Verify |
| MEGA SECURITY SERVICES LLC | Business | 122001513 | CHICAGO | ACTIVE | Verify |
| MEGA SECURITY SERVICES LLC | Business | 102000405 | CHICAGO | ACTIVE | Verify |
| MEGCO INC | Business | 117001033 | HOFFMAN ESTATES | NOT RENEWED | Verify |
| MELALEUCA SECURITY INC | Business | 127001407 | SPRINGFIELD | ACTIVE | Verify |
| MELIN'S LOCK AND KEY | Business | 192000125 | DEKALB | NOT RENEWED | Verify |
| MENSER SECURITY AND TRAINING AGENCY | Business | 122001001 | MARKHAM | ACTIVE | Verify |
| MERCADO MARKETING INC | Business | 127001636 | WAUKEGAN 60087 | NOT RENEWED | Verify |
| MERCER & SHEEHAN INC | Business | 117001158 | ORLAND PARK | ACTIVE | Verify |
| MERCHANDISE MART PROPERTIES INC | Business | 120100016 | CHICAGO | NOT RENEWED | Verify |
| MERCHANDISE NATIONAL | Business | 120500045 | CHICAGO | NOT RENEWED | Verify |
| MERCHANT PATROL SERVICE INC | Business | 201000016 | BELLWOOD | CLOSED | Verify |
| MERCHANTS POLICE AND | Business | 127000432 | ROCKFORD | NOT RENEWED | Verify |
| MERCHIE & ASSOCIATES INC | Business | 117001197 | ROCK ISLAND | NOT RENEWED | Verify |
| MERCY HOSPITAL | Business | 120000040 | URBANA | NOT RENEWED | Verify |
| MERCY HOSPITAL | Business | 201000138 | CHICAGO | ACTIVE | Verify |
| MERCY HOSPITAL & MEDICAL CENTER | Business | 120100009 | CHICAGO | NOT RENEWED | Verify |
| MERCY HOSPITAL AND MEDICAL CTR | Business | 120000029 | CHICAGO | NOT RENEWED | Verify |
| MERCY HOSPITAL URBANA | Business | 201000196 | URBANA | ACTIVE | Verify |
| MERGE INVESTIGATIONS INC | Business | 117001829 | SPRINGFIELD | ACTIVE | Verify |
| MERIDIAN ALARM SYSTEMS INC | Business | 127001891 | LINCOLNSHIRE | ACTIVE | Verify |
| MERIT PROTECTIVE SERVICE INC | Business | 122000541 | CHICAGO | NOT RENEWED | Verify |
| MERIT PROTECTIVE SERVICE INC | Business | 117000623 | CHICAGO | NOT RENEWED | Verify |
| MERIT PROTECTIVE SERVICES INC OF ILL | Business | 117000142 | DES PLAINES | NOT RENEWED | Verify |
| MERRITT SECURITY & INVESTIGATION INC | Business | 117001263 | NORMAL | NOT RENEWED | Verify |
| METRICK ELECTRIC CO INC | Business | 127000673 | LINCOLNWOOD | NOT RENEWED | Verify |
| METRO ALARM | Business | 127000494 | ROCKFORD | NOT RENEWED | Verify |
| METRO BIOMETRICS INC | Business | 262000077 | COLLINSVILLE | NOT RENEWED | Verify |
| METRO CHICAGO SECURITY INC | Business | 123000164 | CHICAGO | CLOSED | Verify |
| METRO CHICAGO SECURITY INC | Business | 122000670 | CHICAGO | NOT RENEWED | Verify |
| METRO COMP INVESTIGATIONS INC | Business | 117000716 | CHICAGO | NOT RENEWED | Verify |
| METRO COMP INVESTIGATIONS INC | Business | 117000821 | NEW LENOX | NOT RENEWED | Verify |
| METRO CONSULTANTS & SECURITY INC | Business | 123000242 | CHATHAM | NOT RENEWED | Verify |
| METRO CONSULTANTS & SECURITY INC | Business | 122000871 | CHICAGO | NOT RENEWED | Verify |
| METRO DETECTIVE AGENCY LLC | Business | 118000310 | PEORIA | CLOSED | Verify |
| METRO DETECTIVE AGENCY LLC | Business | 118000279 | CHICAGO | CANCELLED | Verify |