| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| JOHN D OLIVIERI | Business | 001013510 | NEW LENOX | ACTIVE | Verify |
| MATTHEW P OLLMANN | Business | 001027076 | BELVIDERE | ACTIVE | Verify |
| PAUL WILLIAM OLLMANN | Business | 001015173 | POPLAR GROVE | ACTIVE | Verify |
| JOHN EDWARD OLRIKSEN | Business | 001004369 | SCHAUMBURG | NOT RENEWED | Verify |
| CYNTHIA V OLSEN | Business | 001020149 | CHICAGO | ACTIVE | Verify |
| DALE G OLSEN | Business | 001010996 | CLARENDON HILLS | NOT RENEWED | Verify |
| DAVID J OLSEN | Business | 001010726 | HUNTLEY | INACTIVE | Verify |
| DONAL A OLSEN | Business | 001003487 | GLEN ELLYN | INACTIVE | Verify |
| GARY L OLSEN | Business | 001007945 | CHAMPAIGN | NOT RENEWED | Verify |
| JACK EDMUND OLSEN | Business | 001005154 | BELLEVILLE | INACTIVE | Verify |
| JAY M OLSEN | Business | 001012030 | LAGRANGE PARK | NOT RENEWED | Verify |
| JEREMY TODD OLSEN | Business | 001021150 | OAK PARK | ACTIVE | Verify |
| KEITH OLSEN | Business | 001008995 | CHICAGO | ACTIVE | Verify |
| RICHARD L OLSEN | Business | 001012777 | HINSDALE | ACTIVE | Verify |
| ROBERT G OLSEN | Business | 001010774 | CHICAGO | NOT RENEWED | Verify |
| LEIF ERIC OLSEN JR | Business | 001003375 | WHEATON | INACTIVE | Verify |
| BENJ FRANKLIN OLSON | Business | 001001545 | EVANSTON | NOT RENEWED | Verify |
| EDWARD W OLSON | Business | N/A | PARK RIDGE | DECEASED | Verify |
| ERIC M OLSON | Business | 001014909 | DOWNERS GROVE | INACTIVE | Verify |
| GEORGE CALVIN OLSON | Business | 001004346 | WARRENVILLE | NOT RENEWED | Verify |
| JANET SUE OLSON | Business | 001021206 | CHICAGO | ACTIVE | Verify |
| JENNIFER RINDE OLSON | Business | 001024912 | NEW BOSTON | ACTIVE | Verify |
| MARGO ANNA OLSON | Business | 001023524 | CHICAGO | ACTIVE | Verify |
| MARK E OLSON | Business | 001020246 | CHICAGO | ACTIVE | Verify |
| RALPH H OLSON | Business | 001003888 | CHICAGO | NOT RENEWED | Verify |
| ROBERT V OLSON | Business | 001006159 | ELMHURST | INACTIVE | Verify |
| RONALD HAROLD OLSON | Business | 001005427 | VERNON HILLS | NOT RENEWED | Verify |
| STEVEN A OLSON | Business | 001017761 | CHICAGO | ACTIVE | Verify |
| STEVEN C OLSON | Business | 001009848 | CLARENDON HILLS | NOT RENEWED | Verify |
| WILLIAM K OLSON | Business | 001006709 | HOMER GLEN | ACTIVE | Verify |
| WILLIAM R OLSON | Business | 001007400 | SOMONAUK | INACTIVE | Verify |
| RICHARD OLSZEWSKI | Business | 001015216 | JOLIET | ACTIVE | Verify |
| FERNANDO OLVERA JR | Business | 001023059 | CHICAGO | ACTIVE | Verify |
| STEPHEN OMALLEY | Business | 001009236 | WILMETTE | NOT RENEWED | Verify |
| TIMOTHY J OMALLEY | Business | 001010323 | ST CHARLES | INACTIVE | Verify |
| CHARLES E OMORCHOE | Business | 001012300 | GRAYSLAKE | ACTIVE | Verify |
| VINCENT P ONAGAN | Business | 001014979 | DARIEN | ACTIVE | Verify |
| ADEKUNLE B ONAYEMI | Business | 001013149 | OAK PARK | ACTIVE | Verify |
| JOHN W ONEIL | Business | 001007946 | ROCKFORD | ACTIVE | Verify |
| ANTHONY M OPLAWSKI | Business | 001026281 | DES PLAINES | ACTIVE | Verify |
| LARRY M OPPENHEIMER | Business | 001006710 | CHICAGO | NOT RENEWED | Verify |
| TERRY D OPPERMANN | Business | 001013228 | NAPERVILLE | ACTIVE | Verify |
| MASON LEONARD ORANTES | Business | 001027540 | CHICAGO | ACTIVE | Verify |
| VINCENT A ORAZIETTI | Business | 001011680 | WOODDALE | NOT RENEWED | Verify |
| SHELLEY J ORBACH | Business | 001016068 | SKOKIE | NOT RENEWED | Verify |
| JEFFREY DAVID ORDE-WOLL | Business | 001023737 | RIVER FOREST | ACTIVE | Verify |
| ELIZABETH S ORDNER CASSIN | Business | 001020179 | PALATINE | ACTIVE | Verify |
| ANDREW JAMES ORGAN | Business | 001023625 | MAHOMET | ACTIVE | Verify |
| STEVEN J ORI | Business | 001011623 | LAKE BLUFF | ACTIVE | Verify |
| DANIEL J ORILEY | Business | 001021344 | CHICAGO | ACTIVE | Verify |