| SOUTHERN ILLINOIS NEUROPSYCHOLOGY LLC | Business | 248001781 | MARYVILLE | NOT RENEWED | Verify |
| SOUTHERN ILLINOIS UROLOGY LLC | Business | 248000091 | MARION | NOT RENEWED | Verify |
| SOUTHERN ILLINOIS VEIN CENTER LLC | Business | 248000344 | MARION | NOT RENEWED | Verify |
| SOUTHERN SPINE & REHAB PLLC | Business | 248002799 | MARION | NOT RENEWED | Verify |
| SOUTHERN SPINE & REHAB PLLC | Business | 248004363 | ANNA | ACTIVE | Verify |
| SOUTHERN SPINE & REHAB, PLLC | Business | 248004048 | MARION | ACTIVE | Verify |
| SOUTHPARK CHIROPRACTIC WELLNESS CENTER LLC | Business | 248000309 | MOLINE | NOT RENEWED | Verify |
| SOUTHPAW ANIMAL CHIROPRACTIC, PLLC | Business | 248007028 | NAPERVILLE | ACTIVE | Verify |
| SOUTHSIDE COUNSELING SERVICES, PLLC | Business | 248005963 | TINLEY PARK | ACTIVE | Verify |
| SOVA ANESTHESIA CONSULTING LLC | Business | 248000649 | PEORIA | NOT RENEWED | Verify |
| SOVGOTT PLLC | Business | 248005303 | GALESBURG | ACTIVE | Verify |
| SOW AND SEED PSYCHOTHERAPY COLLECTIVE, PLLC | Business | 248005813 | CHICAGO | ACTIVE | Verify |
| SP CHIROPRACTIC ENTERPRISES LLC | Business | 248000190 | HINSDALE | NOT RENEWED | Verify |
| SP786, PLLC | Business | 248004205 | NAPERVILLE | NOT RENEWED | Verify |
| SPANGLISH THERAPY, PLLC | Business | 248003370 | ELGIN | ACTIVE | Verify |
| SPARK COUNSELING, PLLC | Business | 248002906 | GLEN ELLYN | NOT RENEWED | Verify |
| SPEAK UP THERAPY SOLUTIONS PLLC | Business | 248004565 | FREEPORT | NOT RENEWED | Verify |
| SPEAK UP THERAPY SOLUTIONS PLLC | Business | 248004564 | ORANGEVILLE | NOT RENEWED | Verify |
| SPEAK YOUR MIND SPEECH AND LANGUAGE PLLC | Business | 248002773 | WHEATON | ACTIVE | Verify |
| SPEAKING MINDS PSYCHOTHERAPY, PLLC | Business | 248004673 | SPRINGFIELD | ACTIVE | Verify |
| SPECIAL EDUCATION RESOLUTIONS, PLLC | Business | 248006555 | CHICAGO | ACTIVE | Verify |
| SPECIALIZED FORENSIC UNIT, PC | Business | 248001691 | SAINT CHARLES | ACTIVE | Verify |
| SPECIALTY INTEGRATIVE NUTRITION PLLC | Business | 248003109 | CHICAGO | ACTIVE | Verify |
| SPECIALTY SENIOR CARE PLLC | Business | 248003838 | BARRINGTON | ACTIVE | Verify |
| SPECTRUM PSYCHIATRY PLLC | Business | 248007070 | ELGIN | ACTIVE | Verify |
| SPEECH AND LANGUAGE FOR KIDS PLLC | Business | 248004455 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| SPEECH BITES THERAPY PLLC | Business | 248004737 | SCHAUMBURG | ACTIVE | Verify |
| SPEECH IRL PC | Business | 248001217 | CHICAGO | NOT RENEWED | Verify |
| SPEECH LIKE ME THERAPY, PLLC | Business | 248006430 | GURNEE | ACTIVE | Verify |
| SPEECH THERAPY DUNN RIGHT | Business | 248003763 | CHICAGO | NOT RENEWED | Verify |
| SPEECH THERAPY TALK SERVICES, LLC | Business | 248001876 | ELMHURST | NOT RENEWED | Verify |
| SPERO MEDICAL LLC | Business | 248000612 | BUFFALO GROVE | ACTIVE | Verify |
| SPINAL HEALTH CENTER PLLC | Business | 248003290 | WEST DUNDEE | ACTIVE | Verify |
| SPINE AND BODY RENEWAL PLLC | Business | 248004723 | ROCKFORD | ACTIVE | Verify |
| SPINE AND JOINT CENTER OF ILLINOIS, PLLC | Business | 248004284 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| SPINE CONSULTANTS LLC | Business | 248000253 | PARK RIDGE | NOT RENEWED | Verify |
| SPLOT PSYCHOLOGY, PLLC | Business | 248004413 | CHAMPAIGN | ACTIVE | Verify |
| SPORTS NUTRITIONALLY, PLLC | Business | 248007501 | CHICAGO | ACTIVE | Verify |
| SPOT 26 THERAPY, PLLC | Business | 248004965 | BANNOCKBURN | NOT RENEWED | Verify |
| SPOTLIGHT ON WEIGHT LOSS, PLLC | Business | 248005070 | CHICAGO | ACTIVE | Verify |
| SPRING ADVISORY PLLC | Business | 248003059 | CHICAGO | ACTIVE | Verify |
| SPRING FORWARD SPEECH THERAPY PLLC | Business | 248004947 | TINLEY PARK | ACTIVE | Verify |
| SPRING MD, PLLC | Business | 248004397 | ELGIN | NOT RENEWED | Verify |
| SPRING OF HOPE COUNSELING PLLC | Business | 248004104 | BLOOMINGTON | NOT RENEWED | Verify |
| SPRING PRACTICES LLC | Business | 248007224 | NAPERVILLE | ACTIVE | Verify |
| SPRING SPEECH AND MYO THERAPY | Business | 248006419 | WHEATON | ACTIVE | Verify |
| SPRINGER ANESTHESIA OF CENTRAL ILLINOIS, PLLC | Business | 248005496 | CHAMPAIGN | ACTIVE | Verify |
| SPRINGFIELD PERIODONTICS LLC | Business | 248000031 | SPRINGFIELD | NOT RENEWED | Verify |
| SPRINGFIELD PSYCHOLOGICAL CENTER, LLC | Business | 248001635 | SPRINGFIELD | NOT RENEWED | Verify |
| SPRINGSOURCE PSYCHOLOGICAL CENTER LLC | Business | 248002977 | GLENVIEW | NOT RENEWED | Verify |