| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| SOLAR SOURCES INC | Business | 184000376-0001 | DOWNERS GROVE | NOT RENEWED | Verify |
| SOLOMON CORDWELL BUENZ & ASSOCS INC | Business | 184000359-0001 | CHICAGO | ACTIVE | Verify |
| SOLUTUS GROUP LLC | Business | 184002927-0001 | CHICAGO | NOT RENEWED | Verify |
| SOLVED ENGINEERING LLC | Business | 184007296-0002 | CHICAGO | NOT RENEWED | Verify |
| SOM CANADA INC | Business | 184005894-0001 | CHICAGO | ACTIVE | Verify |
| SONI & ASSOCS INC | Business | 184001252-0002 | ROSELLE | NOT RENEWED | Verify |
| SONN ASSOCIATES LTD | Business | 184002872-0001 | NORTHFIELD | NOT RENEWED | Verify |
| SONNESON AND ASSOCIATION INC. | Business | 184002799-0008 | MACHESNEY PARK | NOT RENEWED | Verify |
| SONOC ARCHITECTS INC & ASSOCIATES | Business | 184002044-0001 | CHICAGO | NOT RENEWED | Verify |
| SONOC/HUTTER-LEE LTD | Business | 184000624-0001 | CHICAGO | NOT RENEWED | Verify |
| SOODAN & ASSOCIATES INC | Business | 184000712-0007 | CHICAGO | NOT RENEWED | Verify |
| SOOR CONSULTING ENGINEERS, INC | Business | 184007837-0002 | OAK BROOK | NOT RENEWED | Verify |
| SOOS & ASSOCIATES INC | Business | 184003287-0001 | LINCOLNSHIRE | ACTIVE | Verify |
| SOUKUP ARCHITECTURAL GROUP INC | Business | 184004445-0001 | JOLIET | NOT RENEWED | Verify |
| SOUND STRUCTURES INC | Business | 184006517-0003 | LAKE ZURICH | ACTIVE | Verify |
| SOUTH CENTRAL SURVEYING LLC | Business | 184005952-0008 | MARION | ACTIVE | Verify |
| SOUTHERN ENGINEERING CORPORATION | Business | 184000810-0010 | JOHNSTON CITY | NOT RENEWED | Verify |
| SOUTHERN ILLINOIS LAND SURVEYING LLC | Business | 184007008-0008 | EDDYVILLE | ACTIVE | Verify |
| SOUTHWEST ENGINEERING CONSULTANTS INC | Business | 184001879-0002 | DOWNERS GROVE | ACTIVE | Verify |
| SOWLAT ENGINEERS PC | Business | 184005921-0003 | CHICAGO | NOT RENEWED | Verify |
| SP ENGINEERS LTD | Business | 184004386-0003 | CHICAGO | ACTIVE | Verify |
| SPAAN TECH INC | Business | 184002673-0004 | CHICAGO | ACTIVE | Verify |
| SPACE ARCHITECTS AND PLANNERS LLC | Business | 184005142-0001 | CHICAGO | ACTIVE | Verify |
| SPACE CONSULTANTS INC | Business | 184000491-0001 | CHICAGO | NOT RENEWED | Verify |
| SPACE HAUS LTD | Business | 184008009-0001 | CHICAGO | ACTIVE | Verify |
| SPACE LAB ARCHITECTS, LLC | Business | 184009405-0001 | WADSWORTH | ACTIVE | Verify |
| SPACE LLC | Business | 184001617-0004 | CHICAGO | NOT RENEWED | Verify |
| SPACECO INC | Business | 184001157-0010 | ROSEMONT | ACTIVE | Verify |
| SPACELAB ARCHITECTURE & DESIGN INC | Business | 184003971-0001 | CHICAGO | NOT RENEWED | Verify |
| SPACELOGIK LTD | Business | 184004466-0001 | CHICAGO | NOT RENEWED | Verify |
| SPACES + PLACES LLC | Business | 184007840-0001 | CHICAGO | ACTIVE | Verify |
| SPAGNOLO ENTERPRISES LTD | Business | 184002046-0002 | PARK RIDGE | ACTIVE | Verify |
| SPARC ARCHITECTURE & DESIGN | Business | 184004819-0001 | CHICAGO | NOT RENEWED | Verify |
| SPARKS ARCHITECTS INC | Business | 184001874-0001 | ELMHURST | NOT RENEWED | Verify |
| SPEC DESIGN STUDIO PLLC | Business | 184008162-0001 | OAK PARK | NOT RENEWED | Verify |
| SPECIALTY CONSULTING INC | Business | 184003826-0005 | CHICAGO | ACTIVE | Verify |
| SPECTRUM ENGINEERING | Business | 184001789-0002 | HIGHLAND PARK | NOT RENEWED | Verify |
| SPECTRUM SOLUTIONS INC | Business | 184001841-0002 | GLEN ELLYN | NOT RENEWED | Verify |
| SPENCER ARCHITECTS | Business | 184005838-0001 | NASHVILLE | NOT RENEWED | Verify |
| SPHERE GLOBAL SERVICES | Business | 184008014-0006 | NAPERVILLE | ACTIVE | Verify |
| SPIES & ASSOCIATES INC | Business | 184001199-0002 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| SPJ ARCHITECTURE PC | Business | 184006739-0001 | WOODRIDGE | ACTIVE | Verify |
| SPLINTERZ LTD | Business | 184007422-0001 | CHICAGO | NOT RENEWED | Verify |
| SPOKE ARCHITECTURE INC | Business | 184007451-0001 | CHICAGO | ACTIVE | Verify |
| SPRING LINE ENGINEERING PLLC | Business | 184009540-0003 | CHICAGO | ACTIVE | Verify |
| SPRINKLER DESIGN PROFESSIONALS INC | Business | 184005175-0002 | OAK FOREST | NOT RENEWED | Verify |
| SQUARE ROOT ARCHITECTURE & DESIGN LTD | Business | 184004668-0001 | SPRINGFIELD | NOT RENEWED | Verify |
| SRBL ARCHITECTS LTD | Business | 184000392-0001 | DEERFIELD | CANCELLED | Verify |
| SRE STRUCTURAL ENGINEERING, INC. | Business | 184009677-0006 | WAYNE | ACTIVE | Verify |
| SRJ PROJECT SERVICES INC | Business | 184005920-0001 | MORTON | NOT RENEWED | Verify |