| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| LAND SURVEYING SOLUTIONS INC | Business | 184002788-0008 | HINSDALE | NOT RENEWED | Verify |
| LAND TECHNOLOGY INC | Business | 184001331-0002 | MCHENRY | NOT RENEWED | Verify |
| LANDAKER ARCHITECTS INC | Business | 184003641-0001 | DEERFIELD | NOT RENEWED | Verify |
| LANDAU & ASSOC ARCHITECTS | Business | 184000751-0001 | NORTHFIELD | NOT RENEWED | Verify |
| LANDES BENSON PARKINS PC | Business | 184002670-0001 | CHILLICOTHE | NOT RENEWED | Verify |
| LANDMARK CONSULTING PC | Business | 184005614-0008 | NAPERVILLE | NOT RENEWED | Verify |
| LANDMARK ENGINEERING | Business | 184000878-0010 | PALOS HILLS | NOT RENEWED | Verify |
| LANDMARK ENGINEERING | Business | 184001544-0002 | BRIDGEVIDW | NOT RENEWED | Verify |
| LANDMARK ENGINEERING GROUP INC | Business | 184001511-0010 | COAL VALLEY | ACTIVE | Verify |
| LANDMARK ENGINEERING LLC | Business | 184005577-0010 | PALOS HILLS | ACTIVE | Verify |
| LANDTECH CONSULTANTS | Business | 184001289-0008 | HOMER GLEN | NOT RENEWED | Verify |
| LANG AND LANG ARCHITECTS LLC | Business | 184006349-0001 | CHICAGO | NOT RENEWED | Verify |
| LANGDON ASSOC PC ARCHITECTS | Business | 184000576-0001 | CHICAGO | NOT RENEWED | Verify |
| LANKENAU ARCHITECTURE | Business | 184005680-0001 | NAPERVILLE | NOT RENEWED | Verify |
| LANKENAU ARCHITECTURE PC | Business | 184006916-0001 | NAPERVILLE | ACTIVE | Verify |
| LAPAGE & ASSOCIATES LTD | Business | 184000543-0001 | WHEATON | INOPERATIVE | Verify |
| LAPAGE ARCHTECTS LTD | Business | 184006116-0001 | WHEATON | ACTIVE | Verify |
| LARAMORE DOUGLASS AND POPHAM INC | Business | 184001093-0002 | CHICAGO | NOT RENEWED | Verify |
| LARCON INC | Business | 184000923-0002 | FRANKFORT | NOT RENEWED | Verify |
| LARK ARCHITECTURE INC | Business | 184007432-0001 | CHICAGO | NOT RENEWED | Verify |
| LAROI ARCHITECTS LTD | Business | 184000304-0001 | NORTHBROOK | NOT RENEWED | Verify |
| LARRY R PAUSTIAN ARCHITECTS PC | Business | 184003213-0001 | EAST PEORIA | NOT RENEWED | Verify |
| LARSEN-WULFF & ASSOCIATES INC | Business | 184000356-0001 | LAGRANGE | NOT RENEWED | Verify |
| LARSON & DARBY INC | Business | 184000280-0005 | ROCKFORD | ACTIVE | Verify |
| LARSON ASSOCIATES INC | Business | 184001809-0001 | CHICAGO | NOT RENEWED | Verify |
| LARSON ENGINEERING INC | Business | 184001442-0006 | NAPERVILLE | ACTIVE | Verify |
| LARSON-KRAMER AND ASSOCIATES LTD | Business | 184000254-0001 | HINSDALE | NOT RENEWED | Verify |
| LAS PIEDRAS ENGINEERING SERVICES PLLC | Business | 184009309-0002 | ORLAND PARK | NOT RENEWED | Verify |
| LASALLE ASSOCIATES INC | Business | 184004258-0002 | GLEN ELLYN | NOT RENEWED | Verify |
| LASATER ENGINEERING LTD | Business | 184002671-0002 | DECATUR | NOT RENEWED | Verify |
| LASER ROCK TECHNOLOGIES LLC | Business | 184005413-0002 | CRYSTAL LAKE | NOT RENEWED | Verify |
| LASZLO SIMOVIC ARCHITECTS LLC | Business | 184006791-0001 | LIBERTYVILLE | ACTIVE | Verify |
| LATENT DESIGN CORP | Business | 184005787-0001 | CHICAGO | ACTIVE | Verify |
| LATITUDE | Business | 184003510-0001 | CHICAGO | CLOSED | Verify |
| LATTNER & ASSOCIATES LTD | Business | 184003608-0002 | MOUNT PROSPECT | NOT RENEWED | Verify |
| LAUCHNER & LAUCHNER INC | Business | 184002086-0001 | SPRINGFIELD | NOT RENEWED | Verify |
| LAURA GARCIA DESIGN LLC | Business | 184005863-0001 | CHICAGO | NOT RENEWED | Verify |
| LAWRENCE A LIPE & ASSOCIATES LLC | Business | 184006490-0010 | VIENNA | CANCELLED | Verify |
| LAWRENCE DESIGN COLLABORATIVE LTD | Business | 184002404-0001 | MT PROSPECT | NOT RENEWED | Verify |
| LAWRENCE P FILIPPI & ASSOCIATES INC | Business | 184000226-0001 | WILLOWBROOK | ACTIVE | Verify |
| LAWSON*SURVEYING INC | Business | 184002787-0008 | MORRIS | NOT RENEWED | Verify |
| LAWTON STANLEY ARCHITECTS PC | Business | 184007553-0001 | EVANSTON | ACTIVE | Verify |
| LBBA , LTD | Business | 184000201-0001 | CHICAGO | ACTIVE | Verify |
| LBG ENGINEERING LLC | Business | 184006074-0002 | LEMONT | NOT RENEWED | Verify |
| LCM ARCHITECTS | Business | 184001941-0001 | CHICAGO | ACTIVE | Verify |
| LDL ARCHITECTS LTD | Business | 184003089-0001 | CHICAGO | NOT RENEWED | Verify |
| LEADER ARCHITECTS ECO DESIGN LTD | Business | 184007210-0001 | MAYWOOD | ACTIVE | Verify |
| LEADER ARCHITECTS PROFESSIONAL CORPORATION | Business | 184006711-0001 | MAYWOOD | CANCELLED | Verify |
| LEAR DESIGN LLC | Business | 184004524-0001 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| LEATHERMAN FACILITIES & PROCESS | Business | 184002630-0002 | ROCKFORD | NOT RENEWED | Verify |