| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| COMPLETE DESIGN SERVICES, INC. | Business | 184003394-0002 | MOKENA | NOT RENEWED | Verify |
| COMPREHENSIVE CONSTRUCTION CONSULTING INC | Business | 184006246-0002 | CHICAGO | ACTIVE | Verify |
| CONCEPT 1 INC | Business | 184000444-0001 | LIBERTYVILLE | NOT RENEWED | Verify |
| CONCEPT 3 ARCHITECTS PC | Business | 184002727-0001 | VILLA PARK | NOT RENEWED | Verify |
| CONCEPT MECHANICAL ENGINEERING INC | Business | 184004511-0002 | DES PLAINES | NOT RENEWED | Verify |
| CONCEPTUAL DESIGN STUDIO | Business | 184004534-0001 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| CONCORD ENGINEERING & SCIENCE INC | Business | 184002519-0002 | NORMAL | NOT RENEWED | Verify |
| CONCORD ENGINEERING SERVICES INC | Business | 184004021-0002 | BLOOMINGTON | NOT RENEWED | Verify |
| CONCORDIA LTD | Business | 184004952-0006 | CAROL STREAM | ACTIVE | Verify |
| CONCRETE AND CONSTRUCTION CONSULTANTS LLC | Business | 184006720-0002 | PALATINE | ACTIVE | Verify |
| CONCRETE CONSULTING ENGINEERS PLLC | Business | 184008256-0002 | WESTCHESTER | ACTIVE | Verify |
| CONCRETE ENGINEERING CORPORATION | Business | 184003074-0002 | GLENCOE | NOT RENEWED | Verify |
| CONDON CONSULTING ENGINEERS PC | Business | 184003580-0010 | RINGWOOD | CANCELLED | Verify |
| CONDON CONSULTING ENGINEERS-NEW LENOX PC | Business | 184003757-0002 | NEW LENOX | NOT RENEWED | Verify |
| CONE-KALB-WONDERLICK PC | Business | 184003577-0001 | CHICAGO | CANCELLED | Verify |
| CONE-KALB-WONDERLICK PC | Business | 184003161-0001 | CHCIAGO | NOT RENEWED | Verify |
| CONECTA GROUP INC | Business | 184006418-0001 | CHICAGO | NOT RENEWED | Verify |
| CONNECTION ARCHITECTURE | Business | 184006382-0001 | STERLING | NOT RENEWED | Verify |
| CONNOR & CONNOR INC | Business | 184000832-0010 | ROBINSON | CANCELLED | Verify |
| CONRAD DELATOUR & ASSOCIATES INC | Business | 184003784-0002 | DES PLAINES | NOT RENEWED | Verify |
| CONSERVATION DESIGN FORUM | Business | 184004941-0002 | LOMBARD | NOT RENEWED | Verify |
| CONSOER TOWNSEND & ASSOCIATES INC | Business | 184000185-0004 | CHICAGO | NOT RENEWED | Verify |
| CONSOER TOWNSEND & ASSOCS | Business | 184001448-0003 | CHICAGO | NOT RENEWED | Verify |
| CONSOER TOWNSEND ENVIRODYNE ENGINEERS INC | Business | 184000140-0007 | CHICAGO | NOT RENEWED | Verify |
| CONSOLIDATED CONSULTING CORPORATION | Business | 184005086-0002 | RIVER FOREST | NOT RENEWED | Verify |
| CONSOLIDATED CONSULTING ENGINEERS | Business | 184001380-0002 | WHEELING | ACTIVE | Verify |
| CONSOLIDATED LAND SURVEYING INC | Business | 184002756-0010 | PEORIA | CANCELLED | Verify |
| CONSOLIDATED SERVICES INC OF COLES COUNTY | Business | 184001257-0010 | CHARLESTON | ACTIVE | Verify |
| CONST & GEOTECHNICAL MATERIAL TESTING INC | Business | 184004370-0002 | ELK GROVE VILLAGE | ACTIVE | Verify |
| CONSTANTINE D VASILIOS & ASSOCIATES LTD | Business | 184003542-0001 | CHICAGO | ACTIVE | Verify |
| CONSTRUCTION COST SYSTEMS | Business | 184000984-0002 | LOMBARD | NOT RENEWED | Verify |
| CONSTRUCTION DESIGN ARCHITECTS LTD | Business | 184001509-0001 | MOUNT PROSPECT | ACTIVE | Verify |
| CONSTRUCTION ENGINEERING OF ILLINOIS INC | Business | 184001951-0002 | SOUTH HOLLAND | NOT RENEWED | Verify |
| CONSTRUCTION ENGINEERING SERVICES INC | Business | 184002001-0002 | CHICAGO | NOT RENEWED | Verify |
| CONSTRUCTION REALTY DESIGN LTD | Business | 184003918-0004 | HIGHLAND PARK | NOT RENEWED | Verify |
| CONSTRUCTION TECHNOLOGY LABORATORIES INC | Business | 184001246-0006 | MT PROSPECT | ACTIVE | Verify |
| CONSTRUCTION-CAD SOLUTIONS INC | Business | 184007596-0002 | WILLOWBROOK | NOT RENEWED | Verify |
| CONSTRUX DESIGN GROUP INC | Business | 184002055-0001 | SPRINGFIELD | CANCELLED | Verify |
| CONSULT SAFETY, LLC | Business | 184008504-0002 | MAHOMET | ACTIVE | Verify |
| CONSULTING CONSORTIUM INC | Business | 184000407-0004 | CHICAGO | NOT RENEWED | Verify |
| CONTEXTURE INC | Business | 184004772-0001 | AURORA | NOT RENEWED | Verify |
| CONTIGO ENGINEERING LLC | Business | 184009040-0002 | BARTLETT | NOT RENEWED | Verify |
| CONTINENTAL ARCHITECTS INC | Business | 184001692-0001 | DES PLAINES | NOT RENEWED | Verify |
| CONTINENTAL ELECTRICAL CONSTRUCTION COMPANY LLC | Business | 184002583-0002 | OAK BROOK | ACTIVE | Verify |
| CONTINENTAL ENERGY SOLUTIONS, PLLC | Business | 184008812-0002 | OAK BROOK | ACTIVE | Verify |
| CONTINENTAL ENGINEERS AND SURVEYORS INC | Business | 184003402-0014 | HOFFMAN ESTATES | NOT RENEWED | Verify |
| CONTROL POINT ENGINEERING I PLLC | Business | 184009090-0002 | LISLE | ACTIVE | Verify |
| CONTROL POINT ENGINEERING LLC | Business | 184007065-0010 | BATAVIA | NOT RENEWED | Verify |
| CONVERGE ARCHITECTURE PLLC | Business | 184008411-0001 | CHICAGO | ACTIVE | Verify |
| COOK ARCHITECTURAL DESIGN STUDIO INC | Business | 184005824-0001 | CHICAGO | ACTIVE | Verify |