| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| STUDIO CONCEPTION ARCHITECTS | Business | 184002502-0001 | RIVER FOREST | NOT RENEWED | Verify |
| STUDIO D ARCHITECTURE LLC | Business | 184004447-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO DWELL INC | Business | 184005261-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO DZIGN ARCHITECTS LLC | Business | 184005684-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO ELCHO LLC | Business | 184009308-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO FILIPPINI ARCHITECTS | Business | 184003877-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO FUERZA PLLC | Business | 184009069-0003 | CHICAGO | NOT RENEWED | Verify |
| STUDIO G ARCHITECTS LLC | Business | 184006949-0001 | ROSELLE | ACTIVE | Verify |
| STUDIO GANG ARCHITECTS LTD | Business | 184002138-0001 | CHICAGO | ACTIVE | Verify |
| STUDIO GC | Business | 184000647-0001 | CHICAGO | ACTIVE | Verify |
| STUDIO IDE INC | Business | 184006234-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO INTEGRA LTD | Business | 184003883-0001 | CHICAGO | ACTIVE | Verify |
| STUDIO J ARCHITECTS INC | Business | 184006976-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO LAHOOD PLLC | Business | 184008977-0001 | CHICAGO | ACTIVE | Verify |
| STUDIO LC ARCHITECTS LLC | Business | 184005488-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO LEVEL 1, LIMITED | Business | 184007776-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO METRO, LLC | Business | 184007573-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO NIGRO LLC | Business | 184005071-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO ORANGE | Business | 184004072-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO ORD INC | Business | 184007971-0001 | CHICAGO | ACTIVE | Verify |
| STUDIO R ARCHITECTURE INC | Business | 184006168-0001 | OAK PARK | ACTIVE | Verify |
| STUDIO RKH PLLC | Business | 184008827-0001 | CHICAGO | ACTIVE | Verify |
| STUDIO SAF LTD | Business | 184006002-0001 | WHEELING | CLOSED | Verify |
| STUDIO SILVER INC | Business | 184006724-0001 | OSWEGO | ACTIVE | Verify |
| STUDIO TALO ARCHITECTURE INC | Business | 184004254-0001 | EVANSTON | NOT RENEWED | Verify |
| STUDIO TRIP PLLC | Business | 184009524-0001 | CHICAGO | ACTIVE | Verify |
| STUDIO VILLANUEVA ARCHITECTURE LLC | Business | 184004376-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO VIM LLC | Business | 184006507-0001 | EVANSTON | NOT RENEWED | Verify |
| STUDIO WA PLLC | Business | 184009403-0001 | CHICAGO | ACTIVE | Verify |
| STUDIO WEST ARCHITECTS LLC | Business | 184007124-0001 | CHICAGO | NOT RENEWED | Verify |
| STUDIO-NH, PLLC DBA WESTHAVEN ARCHITECTS | Business | 184009477-0001 | GENEVA | ACTIVE | Verify |
| STUDIO3 DESIGN INC | Business | 184004031-0001 | BARRINGTON | ACTIVE | Verify |
| STUDIOB LLC | Business | 184007045-0001 | WILMETTE | NOT RENEWED | Verify |
| STUDIOK ARCHITECTURE LLC | Business | 184007482-0001 | PRINCETON | ACTIVE | Verify |
| STUDNICKA & ASSOCIATES LTD | Business | 184002791-0008 | MOKENA | CLOSED | Verify |
| STUEDEMANN ENVIRONMENTAL CONSULTING LLC | Business | 184006603-0002 | GENEVA | NOT RENEWED | Verify |
| STV INCORPORATED | Business | 184000933-0006 | CHICAGO | ACTIVE | Verify |
| SUBER F ZUMMERWALA & ASSOC | Business | 184004407-0001 | ROSELLE | ACTIVE | Verify |
| SUBGRID SOLUTIONS LLC | Business | 184007401-0002 | GLEN ELLYN | ACTIVE | Verify |
| SUBSTATION ENGINEERING SOLUTIONS, LLC | Business | 184007694-0002 | CHICAGO | ACTIVE | Verify |
| SULLIVAN & WILSON PC | Business | 184007547-0001 | CHICAGO | ACTIVE | Verify |
| SULLIVAN GOULETTE WILSON LTD | Business | 184001505-0001 | CHICAGO | ACTIVE | Verify |
| SUMAC INC | Business | 184005542-0001 | CHICAGO | NOT RENEWED | Verify |
| SUN AND ASSOCIATES INC | Business | 184005540-0003 | ELMHURST | NOT RENEWED | Verify |
| SUN AND ASSOCIATES, P.C. | Business | 184009194-0003 | ELMHURST | ACTIVE | Verify |
| SUN ENGINEERED SYSTEMS INC | Business | 184001908-0002 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| SUN MECHANICAL SYSTEMS INC | Business | 184007958-0002 | SAINT CHARLES | ACTIVE | Verify |
| SUNFLOWER ENGINEERING & ASSOCIATES | Business | 184003957-0002 | CHICAGO | NOT RENEWED | Verify |
| SUNJOY INC | Business | 184001707-0002 | SCHAUMBURG | NOT RENEWED | Verify |
| SUREGATE INC | Business | 184007138-0002 | MCHENRY | NOT RENEWED | Verify |