| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| DON SONNESON AND ASSOCIATION INC. | Business | 184002800-0008 | MACHESNEY PARK | NOT RENEWED | Verify |
| DONAHUE AND THORNHILL INC | Business | 184002713-0008 | LEE | NOT RENEWED | Verify |
| DONAHUE DESIGN PC | Business | 184002709-0001 | GURNEE | ACTIVE | Verify |
| DONALD E MORRIS ARCHITECTS PC | Business | 184003715-0001 | LA GRANGE HIGHLANDS | NOT RENEWED | Verify |
| DONALD G EDDY CO | Business | 184001069-0002 | LEMONT | NOT RENEWED | Verify |
| DONALD MANHARD ASSOC | Business | 184000986-0002 | VERNON HILLS | NOT RENEWED | Verify |
| DONOHUE & ASSOCIATES | Business | 184001924-0006 | CHICAGO | ACTIVE | Verify |
| DONOVAN ENGINEERS INC | Business | 184000276-0007 | CHICAGO | NOT RENEWED | Verify |
| DORAN & ASSOCIATES | Business | 184002467-0002 | PRINCETON | CLOSED | Verify |
| DOT3 ENGINEERING, PLLC | Business | 184009447-0002 | BURR RIDGE | ACTIVE | Verify |
| DOTSON ARCHITECTS INC | Business | 184002405-0001 | HIGHLAND PARK | NOT RENEWED | Verify |
| DOUBLE "D" LAND SURVEYING INC | Business | 184003798-0008 | CANTON | NOT RENEWED | Verify |
| DOUG BISHOP ENGINEERING INC | Business | 184002242-0002 | DUQUOIN | NOT RENEWED | Verify |
| DOUGLAS DESIGN + ASSOCIATES INC | Business | 184006928-0001 | GLEN ELLYN | ACTIVE | Verify |
| DOUGLAS GILBERT ARCHITECT, INC. | Business | 184008574-0001 | OAK PARK | NOT RENEWED | Verify |
| DOUGLAS R WALEGA ARCHITECT PC | Business | 184002990-0001 | BERWYN | NOT RENEWED | Verify |
| DOWNEY SZAFARZ ARCHITECTS INC | Business | 184000191-0001 | LAKE FOREST | ACTIVE | Verify |
| DOWSE CONSULTING ENGINEERING | Business | 184008872-0002 | OAK PARK | ACTIVE | Verify |
| DOYEN SERVICE CORP | Business | 184000454-0002 | CHICAGO | NOT RENEWED | Verify |
| DOYLE & ASSOCIATES | Business | 184002013-0001 | CHICAGO | ACTIVE | Verify |
| DOYLE & DOYLE ARCHITECTS | Business | 184000780-0001 | SAVOY | NOT RENEWED | Verify |
| DRAKE BUILDING SOLUTIONS PLLC | Business | 184008764-0002 | CHICAGO | NOT RENEWED | Verify |
| DRAKE DESIGN COMPANY | Business | 184006985-0001 | GLEN ELLYN | ACTIVE | Verify |
| DREAMHOUSE LTD | Business | 184002719-0001 | PALOS HILLS | NOT RENEWED | Verify |
| DREAMRUNNERS LTD | Business | 184006527-0003 | MARYVILLE | ACTIVE | Verify |
| DREXEL ENGINEERING CORPORATION | Business | 184006137-0002 | RIVERSIDE | NOT RENEWED | Verify |
| DRIVE ARCHITECTURE LTD | Business | 184002152-0001 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| DRUCKER WARNER ASSOCIATES INC | Business | 184003890-0003 | CHICAGO | ACTIVE | Verify |
| DRUMLIN PLLC | Business | 184008972-0001 | CHICAGO | ACTIVE | Verify |
| DSO DESIGN LLC | Business | 184007046-0001 | FLOSSMOOR | NOT RENEWED | Verify |
| DSPACE STUDIO INC | Business | 184005190-0001 | CHICAGO | ACTIVE | Verify |
| DUBAY & MAIRE LTD | Business | 184001639-0001 | CHICAGO | NOT RENEWED | Verify |
| DUBIN DUBIN AND MOUTOUSSAMY | Business | 184000749-0001 | CHICAGO | NOT RENEWED | Verify |
| DUBINREID LLC | Business | 184001726-0001 | CHICAGO | NOT RENEWED | Verify |
| DUCAR ASSOCIATES ARCHITECTS LLC | Business | 184005879-0001 | CHICAGO | ACTIVE | Verify |
| DUDA SURVEYING | Business | 184002985-0008 | CAROL STREAM | NOT RENEWED | Verify |
| DUDAS ENGINEERING, LLC | Business | 184007674-0002 | ILLIOPOLIS | ACTIVE | Verify |
| DUDLEY UTYRO & ASSOCIATES LTD | Business | 184004440-0001 | PARK RIDGE | NOT RENEWED | Verify |
| DUFFIELD CONSULTING ENGINEERS LTD | Business | 184006061-0002 | JOLIET | ACTIVE | Verify |
| DUFFIN ENGINEERING CO | Business | 184001748-0002 | MOKENA | NOT RENEWED | Verify |
| DUNAWAY ASSOCIATES WEST INC | Business | 184001347-0002 | BARRINGTON | NOT RENEWED | Verify |
| DUSABLE INC | Business | 184001302-0007 | NAPERVILLE | NOT RENEWED | Verify |
| DUZAN ARCHITECTURE & DESIGN INC | Business | 184007523-0001 | NEWMAN | ACTIVE | Verify |
| DWYER ARCHITECTS LLC | Business | 184006814-0001 | PLAINFIELD | NOT RENEWED | Verify |
| DWYER ARCHITECTURE | Business | 184008087-0001 | CHICAGO | NOT RENEWED | Verify |
| DXU INC | Business | 184006688-0001 | CHICAGO | ACTIVE | Verify |
| DYNACEPT ENGINEERING LTD | Business | 184007444-0002 | DES PLAINES | ACTIVE | Verify |
| DYNACEPT INC | Business | 184003703-0002 | DES PLAINES | CLOSED | Verify |
| DYNAMIC ENGINEERING AND MANAGEMENT INC | Business | 184001320-0002 | JOLIET | NOT RENEWED | Verify |
| DYNAMIC MOTION CONTROL INC | Business | 184005456-0002 | CHICAGO | ACTIVE | Verify |