| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| LEFFERSON & ASSOCIATES INC | Business | 184002516-0001 | ALTON | NOT RENEWED | Verify |
| LEGACY DESIGNS INC | Business | 184003483-0002 | ROCKFORD | ACTIVE | Verify |
| LEGAT ARCHITECTS INC | Business | 184003411-0001 | CHICAGO | ACTIVE | Verify |
| LEGAT JOSEPH J ARCHITECTS PC | Business | 184008310-0001 | WAUKEGAN | NOT RENEWED | Verify |
| LEGRANDE & ASSOCIATES PC | Business | 184003687-0001 | CHAMPAIGN | NOT RENEWED | Verify |
| LEHMAN DESIGN CONSULTANTS INC | Business | 184006609-0002 | CHICAGO | NOT RENEWED | Verify |
| LEMLEY ARCHITECTURE + DESIGN LLC | Business | 184006319-0001 | CHICAGO | INACTIVE | Verify |
| LENDERS ARCHITECTURAL, LTD. | Business | 184001986-0001 | CHICAGO | NOT RENEWED | Verify |
| LENORE WEISS STUDIOS LLC | Business | 184007753-0001 | CHICAGO | ACTIVE | Verify |
| LEONARD DREAS & ASSOCIATES INC | Business | 184001327-0010 | AURORA | NOT RENEWED | Verify |
| LEOPOLD CONSULTING LTD | Business | 184003709-0006 | BUFFALO GROVE | ACTIVE | Verify |
| LESTER & BUEHLER INC | Business | 184001321-0002 | COLUMBIA | NOT RENEWED | Verify |
| LEVEL ENTERPRISES LLC | Business | 184007461-0001 | LAKE BLUFF | NOT RENEWED | Verify |
| LEVERNIER ARCHITECT & PLANNER LTD | Business | 184004833-0001 | CRYSTAL LAKE | NOT RENEWED | Verify |
| LEVINE DESIGN LTD | Business | 184000638-0001 | CHICAGO | NOT RENEWED | Verify |
| LEWIS YOCKEY & BROWN | Business | 184000806-0010 | BLOOMINGTON | ACTIVE | Verify |
| LEXMOR ENGINEERING LLC | Business | 184004076-0002 | MOKENA | NOT RENEWED | Verify |
| LIBERTY ENGINEERING INC | Business | 184000925-0002 | DOWNERS GROVE | NOT RENEWED | Verify |
| LIBERTY SURVEY COMPANY | Business | 184002772-0008 | PALATINE | CANCELLED | Verify |
| LIBERTY TESTING CONSULTANTS LLC | Business | 184006572-0002 | OTTAWA | NOT RENEWED | Verify |
| LIEBER COOPER ASSOCIATES INC | Business | 184000622-0001 | CHICAGO | NOT RENEWED | Verify |
| LIEDERBACH & GRAHAM ARCHITECTS | Business | 184006115-0001 | CHICAGO | CANCELLED | Verify |
| LIEDERBACH & GRAHAM ARCHITECTS LLP | Business | 184007397-0001 | CHICAGO | NOT RENEWED | Verify |
| LIEU LLC | Business | 184008481-0001 | CHICAGO | ACTIVE | Verify |
| LIFE STUDIO LLC | Business | 184007949-0001 | NILES | NOT RENEWED | Verify |
| LIFECARE DESIGN STUDIO LLC | Business | 184004799-0001 | LINCOLNSHIRE | ACTIVE | Verify |
| LIKES LAND SURVEYORS | Business | 184002782-0008 | BARRY | NOT RENEWED | Verify |
| LIKES LAND SURVEYORS INC | Business | 184005212-0008 | BARRY | NOT RENEWED | Verify |
| LIN ENGINEERING LTD | Business | 184001181-0014 | WESTMONT | ACTIVE | Verify |
| LINCOLNWAY ENGINEERING AND LAND SURVEYING LTD | Business | 184006823-0010 | NEW LENOX | ACTIVE | Verify |
| LIND ASSOCIATES PC | Business | 184003638-0001 | WINNETKA | ACTIVE | Verify |
| LINDA F GRUBB & ASSOCIATES ARCHITECTS | Business | 184002268-0001 | BARRINGTON | NOT RENEWED | Verify |
| LINDEN GROUP ARCHITECTS, P.C. | Business | 184009102-0001 | ORLAND PARK | ACTIVE | Verify |
| LINDEN GROUP INC | Business | 184000209-0001 | ORLAND PARK | CANCELLED | Verify |
| LINDLEY AND SONS INC | Business | 184000950-0002 | HINSDALE | NOT RENEWED | Verify |
| LINDSAY & ASSOCIATES INC | Business | 184002319-0006 | AURORA | NOT RENEWED | Verify |
| LINDSAY ANDERSON CONSULTING LTD | Business | 184003298-0005 | PARK RIDGE | NOT RENEWED | Verify |
| LINDSTROM ASSOCIATES LLC | Business | 184004516-0001 | BARTLETT | NOT RENEWED | Verify |
| LINE AND GRADE, LTD | Business | 184003251-0010 | NEW LENOX | NOT RENEWED | Verify |
| LINE WORKS STUDIO INC | Business | 184003104-0001 | SCHILLER PARK | ACTIVE | Verify |
| LINEA ARCHITECTS | Business | 184009073-0001 | CHICAGO | ACTIVE | Verify |
| LINEAR ARCHITECTS INC | Business | 184006617-0001 | CHICAGO | ACTIVE | Verify |
| LINEWORKS LTD | Business | 184003924-0001 | NORTHBROOK | ACTIVE | Verify |
| LINGLE DESIGN GROUP INC | Business | 184004642-0001 | LENA | ACTIVE | Verify |
| LINTECH ENGINEERING INC | Business | 184007177-0002 | ALGONQUIN | NOT RENEWED | Verify |
| LINTECH ENGINEERING LLC | Business | 184002451-0002 | ALGONQUIN | NOT RENEWED | Verify |
| LIONHEART ENVIRONMENTAL LLP | Business | 184007548-0002 | SPRINGFIELD | NOT RENEWED | Verify |
| LIPE ARCHITECTURE | Business | 184005270-0001 | NOKOMIS | ACTIVE | Verify |
| LIRA & ASSOCIATES INC | Business | 184007878-0001 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| LISEC & BIEDERMAN LTD | Business | 184000190-0001 | CHICAGO | NOT RENEWED | Verify |