| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| DICKSON-SENFFNER LTD | Business | 184002699-0006 | GLENVIEW | NOT RENEWED | Verify |
| DIETZ SURVEYING INC | Business | 184004285-0008 | ROUND LAKE | ACTIVE | Verify |
| DIGITAL SURVEY & DESIGN, LTD. | Business | 184002805-0008 | BELVIDERE | NOT RENEWED | Verify |
| DIGS ASSOCIATES LLC | Business | 184008003-0002 | MOWEAQUA | NOT RENEWED | Verify |
| DILIGENT DESIGN GROUP INC | Business | 184007056-0002 | HIGHLAND PARK | NOT RENEWED | Verify |
| DILLAPLAIN ENGINEERING | Business | 184003762-0002 | O FALLON | NOT RENEWED | Verify |
| DIRECT DESIGN LTD | Business | 184002823-0001 | CRYSTAL LAKE | ACTIVE | Verify |
| DIRK DENISON ARCHITECTS LLC | Business | 184005830-0001 | CHICAGO | NOT RENEWED | Verify |
| DISTRICT ENERGY SPECIALISTS PLLC | Business | 184008880-0002 | LISLE | INOPERATIVE | Verify |
| DIVERGENT SPACE | Business | 184002960-0001 | CHICAGO | NOT RENEWED | Verify |
| DIVINITY DESIGN ARCHITECTS & ENGINEERS LLC | Business | 184004104-0001 | NAPERVILLE | NOT RENEWED | Verify |
| DIXON & ASSOCIATES INC | Business | 184000596-0001 | CHICAGO | NOT RENEWED | Verify |
| DIXON ASSOCIATES LTD | Business | 184001745-0001 | ST CHARLES | NOT RENEWED | Verify |
| DIXON O'BRIEN & ASSOCIATES, PLLC | Business | 184009028-0002 | HIGHLAND PARK | NOT RENEWED | Verify |
| DJC & ASSOCIATES LLC | Business | 184004290-0001 | AURORA | NOT RENEWED | Verify |
| DJM CONSULTING ENGINEERING | Business | 184007802-0002 | SCHAUMBURG | ACTIVE | Verify |
| DKA ARCHITECTS LTD | Business | 184001974-0001 | CHICAGO | NOT RENEWED | Verify |
| DKT ENGINEERING LTD | Business | 184000846-0002 | LEMONT | NOT RENEWED | Verify |
| DL RAWLINGS INC | Business | 184002678-0001 | AURORA | ACTIVE | Verify |
| DLA ARCHITECTS LTD | Business | 184000383-0001 | ITASCA | ACTIVE | Verify |
| DLK ARCHITECTURE INC | Business | 184000691-0001 | CHICAGO | NOT RENEWED | Verify |
| DLK/J & L L L C | Business | 184001632-0001 | CHICAGO | NOT RENEWED | Verify |
| DLM ARCHITECTS LTD | Business | 184001952-0001 | NILES | NOT RENEWED | Verify |
| DLR GROUP INC | Business | 184002295-0007 | CHICAGO | ACTIVE | Verify |
| DLS ARCHITECTURAL GROUP INC | Business | 184004690-0001 | SPRINGFIELD | NOT RENEWED | Verify |
| DLS ARCHITECTURAL GROUP LLC | Business | 184006283-0001 | SPRINGFIELD | NOT RENEWED | Verify |
| DLS ARCHITECTURE & DEVELOPMENT | Business | 184003374-0001 | SPRINGFIELD | NOT RENEWED | Verify |
| DLTA INC | Business | 184001814-0002 | MARION | NOT RENEWED | Verify |
| DLZ ILLINOIS INC | Business | 184002534-0007 | CHICAGO | ACTIVE | Verify |
| DM & S ARCHITECTS PC | Business | 184004004-0001 | WESTMONT | NOT RENEWED | Verify |
| DM + ARCHITECTS LTD | Business | 184007528-0001 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| DM ARCHITECTS AND INTERIOR DESIGNERS LLC | Business | 184005784-0001 | CHICAGO | NOT RENEWED | Verify |
| DMA ARCHITECTS NORTHSTAR STUDIO | Business | 184003697-0001 | CHICAGO | NOT RENEWED | Verify |
| DMA ARCHITECTS NORTHSTAR STUDIO INC | Business | 184005023-0001 | CHICAGO | NOT RENEWED | Verify |
| DMAC ARCHITECTURE PC | Business | 184007351-0001 | EVANSTON | ACTIVE | Verify |
| DMD ENGINEERING INC | Business | 184006750-0003 | CHICAGO | NOT RENEWED | Verify |
| DMI-STL INC | Business | 184007412-0002 | QUINCY | NOT RENEWED | Verify |
| DMJ ENGINEERING LLC | Business | 184005055-0002 | PEORIA | NOT RENEWED | Verify |
| DMJM & HARRIS/CTE A JOINT VENTURE | Business | 184004168-0002 | CHICAGO | NOT RENEWED | Verify |
| DMK DESIGN GROUP, PLLC | Business | 184009118-0002 | CHICAGO | ACTIVE | Verify |
| DNM ENGINEERING LTD | Business | 184003828-0006 | DOWNERS GROVE | NOT RENEWED | Verify |
| DOBRIN + ASSOCIATES LTD | Business | 184002256-0001 | LINCOLNSHIRE | NOT RENEWED | Verify |
| DODD ARCHITECTS PLLC | Business | 184008655-0001 | ANNA | ACTIVE | Verify |
| DODT ARCHITECTURE | Business | 184006768-0001 | HAWTHORN WOODS | NOT RENEWED | Verify |
| DOLAND ENGINEERING LLC | Business | 184006022-0010 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| DOME DESIGNERS INC | Business | 184003146-0007 | CLARENDON HILLS | ACTIVE | Verify |
| DOMENELLA ARCHITECTS LTD | Business | 184003989-0001 | CHICAGO | ACTIVE | Verify |
| DOMOKUR ARCHITECTS INCORPORATED | Business | 184005967-0001 | CHAMPAIGN | ACTIVE | Verify |
| DON HIGGINS ARCHITECT INC | Business | 184003699-0001 | CHICAGO | NOT RENEWED | Verify |
| DON JOHNS ENGINEERING | Business | 184001105-0002 | CHICAGO | NOT RENEWED | Verify |