| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| DANIEL F O GRADY | Business | 072003648 | CHICAGO | CANCELLED | Verify |
| JANICE S O MALLEY | Business | 071003762 | CHICAGO | NOT RENEWED | Verify |
| JANICE S O MALLEY | Business | 072003762 | CHICAGO | CANCELLED | Verify |
| HEATHER O'BRIEN | Business | 071008679 | CHAMPAIGN | ACTIVE | Verify |
| KATHLEEN M O'BRIEN | Business | 071004994 | LISLE | NOT RENEWED | Verify |
| SAVANNAH ROSE O'BRIEN PSYD | Business | 071010991 | CHICAGO | ACTIVE | Verify |
| ANTHONY O'CONNELL | Business | 071004577 | CHICAGO | NOT RENEWED | Verify |
| STEVEN J O'CONNELL PHD | Business | 071003216 | URBANA | NOT RENEWED | Verify |
| STEVEN J O'CONNELL PHD | Business | 072003216 | URBANA | CANCELLED | Verify |
| ELLIS C O'CONNOR PSYD | Business | 071010806 | EVANSTON | ACTIVE | Verify |
| ROBERT E O'CONNOR PHD | Business | 071002103 | RIVER FOREST | ACTIVE | Verify |
| ROBERT E O'CONNOR PHD | Business | 072002103 | OAK PARK | CANCELLED | Verify |
| DELORES ANN O'DELL MCCOLLUM | Business | 071005753 | ROCK ISLAND | NOT RENEWED | Verify |
| JOSEPH N O'DONNELL | Business | 071001830 | MOUNT PROSPECT | ACTIVE | Verify |
| JOSEPH N O'DONNELL | Business | 072001830 | MOUNT PROSPECT | CANCELLED | Verify |
| KATHLEEN B O'DONNELL | Business | 071004869 | OAK PARK | ACTIVE | Verify |
| PHILIP CARL O'DONNELL | Business | 071009331 | CHICAGO | ACTIVE | Verify |
| KATHLEEN O'GRADY | Business | 071003766 | NAPERVILLE | NOT RENEWED | Verify |
| KATHLEEN O'GRADY | Business | 072003766 | CHICAGO | CANCELLED | Verify |
| ALISON LYNN O'HARA | Business | 071009243 | CHICAGO | ACTIVE | Verify |
| EMILY C O'HARA | Business | 071010333 | NORTH CHICAGO | ACTIVE | Verify |
| CATHLEEN P O'HARE | Business | 071006586 | BURR RIDGE | ACTIVE | Verify |
| ELIZABETH ANN O'HARE | Business | 071006123 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| RIP L O'KEEFE | Business | 071001682 | MOLINE | NOT RENEWED | Verify |
| RIP L O'KEEFE | Business | 072001682 | MOLINE | CANCELLED | Verify |
| KAREN A O'KEEFFE | Business | 071005068 | GURNEE | ACTIVE | Verify |
| JEFFREY H O'KOON | Business | 071006294 | EVANSTON | ACTIVE | Verify |
| JEAN MARIE O'MAHONEY | Business | 071005743 | EVANSTON | ACTIVE | Verify |
| JULIE E O'MALLEY | Business | 071006604 | SKOKIE | ACTIVE | Verify |
| ESSENCE M. O'NEAL | Business | 071010611 | GURNEE | ACTIVE | Verify |
| NICHOLAS F O'RIORDAN | Business | 072003652 | AURORA | CANCELLED | Verify |
| NICHOLAS F O'RIORDAN | Business | 071003652 | PLAINFIELD | ACTIVE | Verify |
| MELISSA ANGELINA O'SHA | Business | 071009610 | NAPERVILLE | ACTIVE | Verify |
| CHRISTINE M O'SULLIVAN | Business | 071005901 | WARRENVILLE | NOT RENEWED | Verify |
| SEAN M O'SULLIVAN | Business | 071004639 | CHICAGO | NOT RENEWED | Verify |
| JERRY MARK O'TOOLE | Business | 071006413 | PLAINFIELD | ACTIVE | Verify |
| WILLIAM D OAKES | Business | 072001388 | LAKE ZURICH | CANCELLED | Verify |
| WILLIAM D OAKES | Business | 071001388 | LAKE ZURICH | NOT RENEWED | Verify |
| ROBIN L OATIS | Business | 071006624 | CHICAGO | NOT RENEWED | Verify |
| REEMA OBAID | Business | 071008537 | CHICAGO | ACTIVE | Verify |
| MARK I OBERLANDER | Business | 071001194 | NORTHBROOK | NOT RENEWED | Verify |
| MARK I OBERLANDER | Business | 072001194 | EVANSTON | CANCELLED | Verify |
| KATRINA TAGAAN OBLEADA | Business | 071011107 | CHICAGO | ACTIVE | Verify |
| FRANK R OBLOCK | Business | 071001389 | CHICAGO | INACTIVE | Verify |
| FRANK R OBLOCK | Business | 072001389 | CHICAGO | CANCELLED | Verify |
| MICHAEL J OBRIEN | Business | 072000265 | KANKAKEE | CANCELLED | Verify |
| MICHAEL J OBRIEN | Business | 071000265 | KANKAKEE | INACTIVE | Verify |
| CHRISTINE MARIE OCKRASSA PSYD | Business | 071010943 | ROMEOVILLE | ACTIVE | Verify |
| LINDA GAE OCONNELL | Business | 072002849 | CHICAGO | CANCELLED | Verify |
| LINDA GAE OCONNELL | Business | 071002849 | CHICAGO | ACTIVE | Verify |