| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| OSMONDSON CARPENTRY INC | Business | 104002304 | CHICAGO | ACTIVE | Verify |
| OSO ROOFING AND EXTERIOR LLC | Business | 104020593 | CARBONDALE | NOT RENEWED | Verify |
| OSR HOLDING COMPANY LLC | Business | 104020220 | CHICAGO | ACTIVE | Verify |
| OSSLUND ROOFING INC | Business | 104008657 | DOWNERS GROVE | NOT RENEWED | Verify |
| OSTERHAGE CONSTRUCTION COMPANY | Business | 104012311 | WATERLOO | CANCELLED | Verify |
| OSTROWSKI BUILDERS INC | Business | 104006666 | ALGONQUIN | CANCELLED | Verify |
| OSWEGO ROOFING AND REMODELING | Business | 104000363 | OSWEGO | NOT RENEWED | Verify |
| OTC RESTORATION INC | Business | 104006302 | CHICAGO | NOT RENEWED | Verify |
| OTHA BILLINGS | Business | 104012346 | CHICAGO | NOT RENEWED | Verify |
| OTHO D TATE | Business | 104005781 | DALLAS CITY | CANCELLED | Verify |
| OTTEN CONSTRUCTION CO INC | Business | 104003296 | VENEDY | NOT RENEWED | Verify |
| OTTEN CONTRACTING INC | Business | 104015348 | MARISSA | NOT RENEWED | Verify |
| OTTERSON BUILDERS | Business | 104002133 | GURNEE | NOT RENEWED | Verify |
| OTTO ARENTSEN | Business | 104003366 | TRENTON | NOT RENEWED | Verify |
| OTTO B SCHAAB | Business | 104006047 | COLONA | CANCELLED | Verify |
| OTTO E DICK | Business | 104004349 | OREGON | NOT RENEWED | Verify |
| OTTO HOME IMPROVEMENT | Business | 104000570 | SPRINGFIELD | NOT RENEWED | Verify |
| OTTO'S CONSTRUCTION, LLC. | Business | 104018309 | ARTHUR | ACTIVE | Verify |
| OUR CREATIONS INC | Business | 104011109 | ROCKFORD | NOT RENEWED | Verify |
| OUR HOUSE RESTORATION PLLC | Business | 104019310 | SCHAUMBURG | ACTIVE | Verify |
| OURY ROOFING EXTERIORS INC | Business | 104015824 | WHEATON | CANCELLED | Verify |
| OUTKAST ROOFING | Business | 104019231 | GALESBURG | NOT RENEWED | Verify |
| OUTKAST ROOFING | Business | 105009894 | GALESBURG | ACTIVE | Verify |
| OVER THE TOP | Business | 104011468 | MAHOMET | NOT RENEWED | Verify |
| OVER THE TOP ROOFING | Business | 104017566 | MAYWOOD | NOT RENEWED | Verify |
| OVER THE TOP ROOFING OF ILLINOIS INC | Business | 104008928 | SPRING GROVE | NOT RENEWED | Verify |
| OVER THE TOP WHITE ROOFING | Business | 104018146 | HAVANA | ACTIVE | Verify |
| OVERALL ROOFING | Business | 104013835 | SOUTH HOLLAND | NOT RENEWED | Verify |
| OVERCASH HOME IMPROVEMENT | Business | 104011831 | THOMSON | NOT RENEWED | Verify |
| OVERHEAD ROOFING | Business | 104012385 | MANTENO | CANCELLED | Verify |
| OVERLEAF CONSTRUCTION INC | Business | 104012743 | LIBERTYVILLE | CANCELLED | Verify |
| OVI GENERAL CONSTRUCTION LLC | Business | 104018547 | OAK LAWN | NOT RENEWED | Verify |
| OWEN & SONS ROOFING | Business | 104017818 | SHELBYVILLE | NOT RENEWED | Verify |
| OWEN DEAN FOX | Business | 104005021 | LINCOLN | CANCELLED | Verify |
| OWEN ENTERPRISES INC | Business | 104006873 | LOMBARD | ACTIVE | Verify |
| OWEN GILL ROOFING CO | Business | 104000196 | ST CHARLES | CANCELLED | Verify |
| OWEN REHNBLOM | Business | 104009603 | GOODFIELD | NOT RENEWED | Verify |
| OWEN ROOFING | Business | 104011478 | CHARLESTON | NOT RENEWED | Verify |
| OWENS CONSTRUCTION | Business | 104007158 | BENTON | CANCELLED | Verify |
| OWENS HOME IMPROVEMENT | Business | 104001129 | EDWARDSVILLE | NOT RENEWED | Verify |
| OWSLEY ROOFING | Business | 104018544 | QUINCY | NOT RENEWED | Verify |
| OYER CONSTRUCTION | Business | 104009733 | FISHER | NOT RENEWED | Verify |
| OZELLA CONSTRUCTION INC | Business | 104013687 | PETERSBURG | ACTIVE | Verify |
| P & B REBUILDERS LLC | Business | 104016593 | RIVER GROVE | ACTIVE | Verify |
| P & C BUILDERS INC | Business | 104006507 | ST CHARLES | NOT RENEWED | Verify |
| P & G ENGINEERING | Business | 104014317 | PALOS PARK | NOT RENEWED | Verify |
| P & H CONSTRUCTION | Business | 104011211 | ORLAND PARK | NOT RENEWED | Verify |
| P & J CONTRACTING | Business | 104008664 | SPRINGFIELD | CANCELLED | Verify |
| P & J HATHAWAY BUILDERS INC | Business | 104014310 | ATHENS | NOT RENEWED | Verify |
| P & K ROOFING | Business | 104005185 | CHICAGO | CANCELLED | Verify |