| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| HUTTER TRANKINA ENGINEERING PC | Business | 184003144-0006 | WAYNE | ACTIVE | Verify |
| HVAC CONSULTANTS INC | Business | 184003528-0002 | LOMBARD | NOT RENEWED | Verify |
| HVC & ASSOCIATES INC | Business | 184000841-0002 | BELLEVILLE | NOT RENEWED | Verify |
| HWM ARCHITECTS LTD | Business | 184004291-0001 | PARK RIDGE | NOT RENEWED | Verify |
| HWR INC | Business | 184001153-0006 | EVANSTON | NOT RENEWED | Verify |
| HYDRANT LLC | Business | 184005988-0001 | CHICAGO | NOT RENEWED | Verify |
| HYDRO-ENVIRONMENTAL PRODUCTS | Business | 184004232-0002 | ELMHURST | NOT RENEWED | Verify |
| HYDRO-THERMO-POWER INC | Business | 184001858-0002 | CHICAGO | CLOSED | Verify |
| HYDRODYNAMICS CONSULTANT INC | Business | 184004038-0002 | LISLE | CANCELLED | Verify |
| HYDZIK-SCHADE ASSOCIATES LTD | Business | 184000295-0001 | CHICAGO | ACTIVE | Verify |
| HYMANS ENGINEERING INC | Business | 184001225-0002 | SPRINGFIELD | NOT RENEWED | Verify |
| HYNES ASSOCIATES | Business | 184004097-0001 | LOVES PARK | NOT RENEWED | Verify |
| I B DESIGN PC | Business | 184006415-0002 | WHEELING | NOT RENEWED | Verify |
| I CONSTRUCTION INC | Business | 184006362-0001 | CHAMPAIGN | NOT RENEWED | Verify |
| I2R ENGINEERING INC | Business | 184007263-0002 | SOUTH ELGIN | NOT RENEWED | Verify |
| ICL INTERIOR ARCHITECTURE INC | Business | 184002410-0004 | CHICAGO | ACTIVE | Verify |
| ICON MECHANICAL CONSTRUCTION & ENGINEERING LLC | Business | 184001993-0002 | GRANITE CITY | INOPERATIVE | Verify |
| IDEA DESIGN/BUILD | Business | 184002225-0001 | LIBERTYVILLE | NOT RENEWED | Verify |
| IDEAL CUSTOM DESIGNS INC | Business | 184006972-0001 | TINELY PARK | ACTIVE | Verify |
| IDEAL ENVIRONMENTAL ENGINEERING INC | Business | 184001123-0002 | BLOOMINGTON | ACTIVE | Verify |
| IDEAL SYSTEMS ENGINEERING PC | Business | 184003733-0002 | LOMBARD | NOT RENEWED | Verify |
| IE ARCHITECTS PLLC | Business | 184008916-0001 | CHICAGO | ACTIVE | Verify |
| IE CONSULTANTS INC | Business | 184002245-0014 | SPRINGFIELD | NOT RENEWED | Verify |
| IE DESIGN PLLC | Business | 184008367-0002 | ELK GROVE VILLAGE | ACTIVE | Verify |
| IENG LLC | Business | 184008791-0002 | GRANITE CITY | ACTIVE | Verify |
| IG CONSULTING INC | Business | 184001330-0010 | WHEELING | ACTIVE | Verify |
| IIT RESEARCH INSTITUTE | Business | 184000907-0002 | CHICAGO | NOT RENEWED | Verify |
| IJ DESIGN STUDIO PLLC | Business | 184008473-0001 | CHICAGO | ACTIVE | Verify |
| IJM GROUP INC | Business | 184006262-0001 | ORLAND PARK | ACTIVE | Verify |
| IK & ASSOCIATES INC | Business | 184005149-0001 | ROMEOVILLE | NOT RENEWED | Verify |
| ILEKIS ASSOCIATES PC | Business | 184002646-0001 | CHICAGO | NOT RENEWED | Verify |
| ILLINI ENGINEERING ASSOCIATES | Business | 184002164-0006 | MATTOON | INOPERATIVE | Verify |
| ILLINI TECHNICAL CONSULTANTS | Business | 184004599-0008 | CRYSTAL LAKE | NOT RENEWED | Verify |
| ILLINI TECHNICAL CONSULTANTS INC | Business | 184004965-0008 | CRYSTAL LAKE | NOT RENEWED | Verify |
| ILLINOIS CONSTRUCTION & ENVIRONMENTAL CONS INC | Business | 184007054-0002 | WHEELING | ACTIVE | Verify |
| ILLINOIS DRILLING & TESTING CO INC | Business | 184004172-0002 | ADDISON | ACTIVE | Verify |
| ILLINOIS HOME INSPECTION SERVICE | Business | 184003929-0002 | CHICAGO | NOT RENEWED | Verify |
| ILLINOIS SURVEY SERVICE INC. | Business | 184002777-0008 | PALATINE | NOT RENEWED | Verify |
| ILLINOIS VALLEY SURVEYING & CONSULTANTS INC | Business | 184004102-0010 | OGLESBY | INOPERATIVE | Verify |
| ILLINOVA ENERGY PARTNERS INC | Business | 184001976-0002 | DECATUR | NOT RENEWED | Verify |
| IMAGE ARCHITECTS INC | Business | 184000203-0001 | CARBONDALE | NOT RENEWED | Verify |
| IMAGE IN DESIGN ARCHITECTURE INC | Business | 184002269-0001 | LISLE | NOT RENEWED | Verify |
| IMAGES IN ARCHITECTURE INC | Business | 184000515-0001 | NORTHFIELD | NOT RENEWED | Verify |
| IMEG CONSULTANTS CORP | Business | 184008976-0014 | ROCK ISLAND | ACTIVE | Verify |
| IMEG CORP | Business | 184007637-0014 | ROCK ISLAND | CLOSED | Verify |
| IMPACT ARCHITECTURE | Business | 184007625-0001 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| IMPERIEN, LLC | Business | 184008350-0002 | ROCKFORD | ACTIVE | Verify |
| IN-LITE ELECTRICAL CONSTRUCTION COMPANY INC | Business | 184007151-0002 | SCHAUMBURG | NOT RENEWED | Verify |
| INDECO INC | Business | 184001089-0002 | MOLINE | NOT RENEWED | Verify |
| INDEPENDENT ENERGY & FACILITIES | Business | 184001279-0002 | COAL VALLEY | NOT RENEWED | Verify |