| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| O'RORKE CONSTRUCTION SERVICES INC | Business | 104010227 | ROCHELLE | INACTIVE | Verify |
| O&C CONTRACTORS INC | Business | 104019312 | WAUKEGAN | ACTIVE | Verify |
| O&G AND SONS CONSTRUCTION PLLC | Business | 104019475 | PEORIA | ACTIVE | Verify |
| O&M SEAMLESS GUTTERS INC | Business | 104017778 | ROCKFORD | ACTIVE | Verify |
| O&P ALL COPPER WORKS INC | Business | 104020303 | CHICAGO | ACTIVE | Verify |
| O&P ALL COPPER WORKS INC | Business | 104016167 | CHICAGO | INACTIVE | Verify |
| OAK LEAF CONSTRUCTION, LLC | Business | 104020318 | MC CONNELL | ACTIVE | Verify |
| OAK MEADOWS CONTRACTING INC | Business | 104011881 | WESTCHESTER | CANCELLED | Verify |
| OAK RIDGE CONSTRUCTION | Business | 104007562 | MOKENA | CANCELLED | Verify |
| OAK ROOFING & TUCKPOINTING INC | Business | 104004063 | WOOD DALE | ACTIVE | Verify |
| OAKDALE LUMBER CO INC | Business | 104003722 | OAKDALE | NOT RENEWED | Verify |
| OAKES ROOFING | Business | 104011545 | WESTMONT | CANCELLED | Verify |
| OAKK CONSTRUCTION CO INC | Business | 104006392 | SUMMIT | NOT RENEWED | Verify |
| OAKLEY BUILDERS OF PEORIA INC | Business | 104009306 | PEORIA | NOT RENEWED | Verify |
| OAKRIDGE ROOFING | Business | 104006457 | JOLIET | CANCELLED | Verify |
| OAKWORKS CONSTRUCTION & REMODELING | Business | 104011502 | SAVANNA | CANCELLED | Verify |
| OASIS CONSTRUCTION INC | Business | 104015420 | TROY | CHANGE OF OWNERSHIP | Verify |
| OASIS INVESTMENTS LLC DISASTER MANAGEMENT | Business | 104017513 | TROY | ACTIVE | Verify |
| OAXACA ROOFING AND CONTRACTORS LLC | Business | 104017639 | CHICAGO | ACTIVE | Verify |
| OBERMARK CONSTRUCTION CO | Business | 104009247 | POCAHONTAS | NOT RENEWED | Verify |
| OBG CONSTRUCTION LLC | Business | 104017570 | THOMSON | NOT RENEWED | Verify |
| OCONNOR AND SON | Business | 104001809 | LAGRANGE | CANCELLED | Verify |
| OCP CONSTRUCTION EXTERIORS, INC | Business | 104020364 | ROLLING MEADOWS | ACTIVE | Verify |
| ODELL TEAGUE | Business | 104002909 | ROMEOVILLE | CANCELLED | Verify |
| ODINS CONSTRUCTION LLC | Business | 104019798 | ORLAND PARK | ACTIVE | Verify |
| ODLE ROOFING & SIDING | Business | 104013130 | ROBINSON | NOT RENEWED | Verify |
| ODT CONSTRUCTION INC | Business | 104017879 | CHICAGO | NOT RENEWED | Verify |
| ODYSSEY HOME REMODELING | Business | 104019438 | NAPERVILLE | ACTIVE | Verify |
| ODYSSEY LUMBER & CONSTRUCTION | Business | 104009514 | CHICAGO | CANCELLED | Verify |
| OFFUTT DEVELOPMENT INC | Business | 104001411 | DANVILLE | ACTIVE | Verify |
| OGAN CONSTRUCTION COMPANY | Business | 104001135 | BLOOMINGTON | NOT RENEWED | Verify |
| OH CONSTRUCTION & REPAIR & MISC | Business | 104008188 | DIXON | CANCELLED | Verify |
| OHIO VALLEY CONSTRUCTION CO | Business | 104008074 | JUNCTION | CANCELLED | Verify |
| OHNEMUS ROOFING | Business | 104000882 | PEKIN | CANCELLED | Verify |
| OHRTS ROOFING | Business | 104008841 | FREEPORT | NOT RENEWED | Verify |
| OHS CONSTRUCTION LLC | Business | 104016874 | PALATINE | NOT RENEWED | Verify |
| OK INCORPORATED | Business | 104016395 | METROPOLIS | ACTIVE | Verify |
| OKAW CONSTRUCTION CO | Business | 104001149 | CLINTON | NOT RENEWED | Verify |
| OLA CONSTRUCTION CO | Business | 104016826 | CHICAGO | ACTIVE | Verify |
| OLD OAK HOMES INC | Business | 104006959 | ELBURN | NOT RENEWED | Verify |
| OLD RELIABLE PAINTING AND DECORATING INC | Business | 104001451 | OAK PARK | CANCELLED | Verify |
| OLD SCHOOL CARPENTRY | Business | 104013588 | WOODRIDGE | CANCELLED | Verify |
| OLD WILLOW BUILDERS | Business | 104005194 | WILLOW SPRINGS | CANCELLED | Verify |
| OLDANI CONSTRUCTION INC | Business | 104005501 | SPRINGFIELD | CANCELLED | Verify |
| OLDENDORF ROOFING | Business | 104012513 | STEGER | NOT RENEWED | Verify |
| OLEKSA INC | Business | 104019185 | HAWTHORN WOODS | ACTIVE | Verify |
| OLENA AND SONS ROOFING | Business | 104004281 | MANTENO | CANCELLED | Verify |
| OLIVER E GHELARDINI INC | Business | 104000124 | PEKIN | NOT RENEWED | Verify |
| OLIVER MINER | Business | 104016246 | WEST FRANKFORT | NOT RENEWED | Verify |
| OLIVER ROOFING CO INC | Business | 104000925 | COUNTRYSIDE | NOT RENEWED | Verify |