| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| INDIE ENERGY SYSTEMS LLC | Business | 184005842-0002 | EVANSTON | NOT RENEWED | Verify |
| INDUSTRIAL ELECTRICAL ENGINEERS INC | Business | 184002015-0002 | FREEPORT | ACTIVE | Verify |
| INDUSTRIAL SOLUTIONS INC | Business | 184003253-0002 | FREEPORT | ACTIVE | Verify |
| INFINITY DZINES INC | Business | 184004979-0001 | CARPENTERSVILLE | NOT RENEWED | Verify |
| INFRALAND ENGINEERING CONSULTANTS LLC | Business | 184004883-0002 | ANTIOCH | NOT RENEWED | Verify |
| INFRASITE CONSULTING LLC | Business | 184004654-0002 | CHICAGO | NOT RENEWED | Verify |
| INFRASTRUCTURE ENGINEERING INC | Business | 184001011-0006 | CHICAGO | ACTIVE | Verify |
| INFRATEK CONSULTANTS INC | Business | 184002421-0002 | ROCKFORD | NOT RENEWED | Verify |
| INFRATEK ENGINEERS INC | Business | 184002411-0002 | ROCKFORD | NOT RENEWED | Verify |
| INGENAE WK, LLC | Business | 184008082-0001 | NAPERVILLE | NOT RENEWED | Verify |
| INGENII LLC | Business | 184003130-0007 | OAK PARK | ACTIVE | Verify |
| INGENIOUS ARCHITECTURE, LTD | Business | 184007807-0001 | CHICAGO | CLOSED | Verify |
| INHABIT USA INC | Business | 184008464-0003 | CHICAGO | NOT RENEWED | Verify |
| INLAND CONSULTANTS INC | Business | 184001253-0006 | SKOKIE | NOT RENEWED | Verify |
| INLAND DESIGN GROUP INC | Business | 184000698-0001 | NAPERVILLE | NOT RENEWED | Verify |
| INLAND ENVIRONMENTAL INC | Business | 184002598-0002 | SKOKIE | NOT RENEWED | Verify |
| INNLEADAIR LLC | Business | 184007725-0002 | ROLLING MEADOWS | ACTIVE | Verify |
| INNOQUEST INC | Business | 184004506-0002 | WOODSTOCK | NOT RENEWED | Verify |
| INNOVA CONSULTING INC. | Business | 184008970-0002 | LINCOLNWOOD | ACTIVE | Verify |
| INNOVATION & INTEGRITY HOLDINGS INC | Business | 184005077-0001 | CHICAGO | NOT RENEWED | Verify |
| INNOVATIVE AQUATIC DESIGN LLC | Business | 184005974-0002 | HOFFMAN ESTATES | NOT RENEWED | Verify |
| INNOVATIVE BUILDING CONCEPTS INC | Business | 184002063-0002 | NORTHBROOK | NOT RENEWED | Verify |
| INNOVATIVE ENGINEERING GROUP INC | Business | 184002095-0002 | BENSENVILLE | NOT RENEWED | Verify |
| INTECH CONSULTANTS INC | Business | 184001040-0010 | LISLE | NOT RENEWED | Verify |
| INTEGRATED CONTROLS AND | Business | 184000912-0002 | SAVOY | NOT RENEWED | Verify |
| INTEGRATED PROFESSIONAL SERVICES INC | Business | 184000620-0001 | CHICAGO | NOT RENEWED | Verify |
| INTEGRATED PROJECT MANAGEMENT CO INC | Business | 184002051-0002 | BURR RIDGE | NOT RENEWED | Verify |
| INTEGRITY ARCHITECTURE LLC | Business | 184006268-0001 | WEST CHICAGO | ACTIVE | Verify |
| INTELLIGENT DESIGN AND CONSTRUCTION SOLUTIONS LLC | Business | 184003927-0002 | BERWYN | NOT RENEWED | Verify |
| INTELLIGREEN ENGINEERING, PLLC | Business | 184008975-0002 | BELLEVILLE | ACTIVE | Verify |
| INTERACTIVE DESIGN | Business | 184000791-0001 | CHICAGO | NOT RENEWED | Verify |
| INTERACTIVE DESIGN INC | Business | 184001498-0001 | CHICAGO | ACTIVE | Verify |
| INTERARCH INC | Business | 184000687-0001 | NORTHBROOK | NOT RENEWED | Verify |
| INTERCONTINENT ENGINEERS INC | Business | 184000130-0003 | DOWNERS GROVE | NOT RENEWED | Verify |
| INTERNATIONAL ARCHITECTS LTD | Business | 184004177-0001 | CHICAGO | NOT RENEWED | Verify |
| INTERNATIONAL DESIGN ASSOCIATES LTD, PC | Business | 184006434-0001 | CHICAGO | NOT RENEWED | Verify |
| INTERPLAN PRACTICE LTD | Business | 184002868-0001 | OAKBROOK TERRACE | NOT RENEWED | Verify |
| INTERRA INC | Business | 184002653-0002 | BOLINGBROOK | ACTIVE | Verify |
| INTERSECT LLC | Business | 184004521-0002 | NAPERVILLE | NOT RENEWED | Verify |
| INTERSTATE ENGINEERING | Business | 184002721-0002 | EAST MOLINE | NOT RENEWED | Verify |
| INTERWORK ARCHITECTS INC | Business | 184002131-0001 | DEERFIELD | ACTIVE | Verify |
| IOANNIS DAVIS ARCHITECTURE PC | Business | 184004344-0001 | HILLSIDE | NOT RENEWED | Verify |
| IONTACH ARCHITECTURE | Business | 184004078-0001 | PLAINFIELD | NOT RENEWED | Verify |
| IPSA CORPORATION | Business | 184005255-0001 | CHICAGO | ACTIVE | Verify |
| IR DESIGN INC | Business | 184005444-0001 | CHICAGO | NOT RENEWED | Verify |
| IRI/CEPCO INC | Business | 184000419-0001 | CHICAGO | NOT RENEWED | Verify |
| IRVING F LIEBERMAN & ASSOCIATES INC | Business | 184001332-0002 | MT. PROSPECT | ACTIVE | Verify |
| ISAAC PLUMB ARCHITECT LLC | Business | 184007064-0001 | LOMBARD | NOT RENEWED | Verify |
| ISAKSEN GLERUM ARCHITECTS PC | Business | 184003256-0001 | URBANA | NOT RENEWED | Verify |
| ISAKSEN GLERUM WACHTER LLC | Business | 184004337-0001 | URBANA | ACTIVE | Verify |