| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| COOK ENGINEERING GROUP PC | Business | 184005337-0002 | PLAINFIELD | ACTIVE | Verify |
| COOK HILTSCHER ASSOCIATES LLC | Business | 184001792-0001 | CHICAGO | NOT RENEWED | Verify |
| COOLEY-TOBERMANN-STOCKBARCER | Business | 184000278-0001 | SPRINGFIELD | NOT RENEWED | Verify |
| COOPER & ASSOCIATES LLC | Business | 184005357-0006 | JOLIET | NOT RENEWED | Verify |
| COOPER CIVIL ENGINEERING LTD | Business | 184004736-0002 | EVANSTON | NOT RENEWED | Verify |
| COOPER/PRUYN ARCHITECTURE LTD | Business | 184001828-0001 | CHICAGO | NOT RENEWED | Verify |
| COOPERATIVE DESIGNS, INC. | Business | 184007602-0001 | CHICAGO | NOT RENEWED | Verify |
| COORLAS ARCHITECTURE PLLC | Business | 184008828-0001 | LAKE FOREST | ACTIVE | Verify |
| CORDOGAN CLARK & ASSOCIATES | Business | 184000595-0007 | AURORA | ACTIVE | Verify |
| CORE CONSTRUCTION DESIGN SERVICES OF ILLINOIS INC | Business | 184000646-0001 | MORTON | NOT RENEWED | Verify |
| CORE CONSTRUCTION DESIGN SERVICES OF ILLINOIS, INC | Business | 184008227-0001 | PEORIA | NOT RENEWED | Verify |
| CORE CONSULTING ENGINEERS INC | Business | 184000125-0002 | NORTHBROOK | NOT RENEWED | Verify |
| COREY DUNNE PC | Business | 184003782-0001 | CHICAGO | ACTIVE | Verify |
| CORNERSTONE ARCHITECTS LTD | Business | 184003165-0001 | ITASCA | ACTIVE | Verify |
| CORNERSTONE ARCHITECTURAL GROUP INC | Business | 184004661-0001 | ST CHARLES | NOT RENEWED | Verify |
| CORNERSTONE ASSOCIATES LTD | Business | 184002029-0001 | GRAYSLAKE | NOT RENEWED | Verify |
| CORNERSTONE ENGINEERING ENTERPRISE LTD | Business | 184004077-0002 | CHICAGO | NOT RENEWED | Verify |
| CORNERSTONE ENGINEERING ESTABLISHMENT LTD | Business | 184005067-0002 | BARTLETT | NOT RENEWED | Verify |
| CORNERSTONE ENGINEERING INC | Business | 184005832-0002 | BRADLEY | NOT RENEWED | Verify |
| CORNERSTONE LAND SURVEYING | Business | 184005609-0008 | GURNEE | NOT RENEWED | Verify |
| CORNERSTONE SURVEYING PC | Business | 184006522-0008 | YORKVILLE | ACTIVE | Verify |
| CORPORATE DESIGN & DEVELOPMENT GROUP LLC | Business | 184004353-0001 | SCHAUMBURG | NOT RENEWED | Verify |
| CORPORATE DESIGN & DEVELOPMENT GROUP LLC | Business | 184004313-0001 | HOFFMAN ESTATES | NOT RENEWED | Verify |
| CORPORATE RESOURCE ENGINEERING LTD | Business | 184002151-0002 | CHICAGO | NOT RENEWED | Verify |
| CORTEN COLLABORATIVE INC | Business | 184009572-0001 | CHICAGO | ACTIVE | Verify |
| COSENTINI ASSOCIATES IL LLP | Business | 184002146-0002 | CHICAGO | NOT RENEWED | Verify |
| COTTER CONSULTING, LLC | Business | 184001873-0002 | CHICAGO | ACTIVE | Verify |
| COULTER TRANSPORTATION CONSULTING LLC | Business | 184003952-0002 | WHEATON | NOT RENEWED | Verify |
| COUNTERPOINT INC | Business | 184000610-0001 | CHICAGO | NOT RENEWED | Verify |
| COUNTRYSIDE PROFESSIONAL LAND SERVICES LLC | Business | 184007525-0010 | ROCHELLE | NOT RENEWED | Verify |
| COUNTY LAND SURVEY | Business | 184002796-0008 | ANTIOCH | NOT RENEWED | Verify |
| COURTICE GRASON | Business | 184005635-0002 | SULLIVAN | ACTIVE | Verify |
| COURTICE GRASON | Business | 184004616-0002 | SULLIVAN | CANCELLED | Verify |
| COVER ENGINEERING DESIGN INC | Business | 184004265-0002 | ALTON | NOT RENEWED | Verify |
| COVEY PLLC | Business | 184008935-0001 | MARION | NOT RENEWED | Verify |
| COWHEY GUDMUNDSON LEDER LTD | Business | 184001076-0010 | ITASCA | NOT RENEWED | Verify |
| COWLES ENGINEERING INC | Business | 184003445-0002 | NEW BERLIN | NOT RENEWED | Verify |
| COX LAND SURVEYING | Business | 184005532-0008 | MT ZION | ACTIVE | Verify |
| CRAFTSTONE ARCHITECTS INC | Business | 184005597-0001 | PLAINFIELD | ACTIVE | Verify |
| CRAIG & HOFMAN ARCHITECTS | Business | 184000789-0001 | CHICAGO | CANCELLED | Verify |
| CRAIG A PODALAK ARCHITECTS LTD | Business | 184000153-0001 | PALOS HEIGHTS | ACTIVE | Verify |
| CRAIG R KNOCHE & ASSOC CIVIL ENG PC | Business | 184003763-0010 | GENEVA | NOT RENEWED | Verify |
| CRAIG S PHILLIPS | Business | 184000368-0001 | MUNDELEIN | NOT RENEWED | Verify |
| CRAIG W WRIGHT & ASSOCIATES INC | Business | 184000682-0001 | METAMORA | ACTIVE | Verify |
| CRAWFORD DESIGN CO | Business | 184008408-0002 | ROCK ISLAND | NOT RENEWED | Verify |
| CRAWFORD MURPHY & TILLY INC | Business | 184000613-0015 | SPRINGFIELD | ACTIVE | Verify |
| CREAR PLLC | Business | 184009252-0001 | CARY | ACTIVE | Verify |
| CREATIVE ARCHITECTURAL COUNSULTANTS INC | Business | 184003032-0001 | GURNEE | NOT RENEWED | Verify |
| CREATIVE ARCHITECTURAL TEAM LTD | Business | 184005106-0001 | WHEELING | NOT RENEWED | Verify |
| CREATIVE ENGINEERING COMPANY | Business | 184001278-0002 | LISLE | NOT RENEWED | Verify |