| WHOLEHEARTED THERAPY PLLC | Business | 248004757 | PALATINE | ACTIVE | Verify |
| WIBETO PRACTICE, PLLC | Business | 248004335 | CHICAGO | ACTIVE | Verify |
| WICKER PARK SPINE & STABILITY PLLC | Business | 248003898 | CHICAGO | ACTIVE | Verify |
| WICKER PARK SPINE AND STABILITY, PLLC | Business | 248002769 | CHICAGO | ACTIVE | Verify |
| WICKER PARK THERAPY GROUP, PLLC | Business | 248007398 | CHICAGO | ACTIVE | Verify |
| WICKER PARK VETERINARY CLINIC LLC | Business | 248000428 | CHICAGO | NOT RENEWED | Verify |
| WIELAND ORTHODONTICS | Business | 248006351 | ROCK ISLAND | ACTIVE | Verify |
| WILD ASTER THERAPY, PLLC | Business | 248007612 | CHICAGO | ACTIVE | Verify |
| WILD FERN CLINICAL THERAPY PLLC | Business | 248005464 | BERWYN | ACTIVE | Verify |
| WILD GRACE PSYCHOTHERAPY, PLLC | Business | 248005824 | DOWNERS GROVE | ACTIVE | Verify |
| WILDERNESS & WONDER COUNSELING PLLC | Business | 248007363 | ROCKFORD | ACTIVE | Verify |
| WILDFIRE COUNSELING AND WELLNESS, PLLC | Business | 248004542 | JOHNSBURG | ACTIVE | Verify |
| WILDFLOWER CENTER FOR EMOTIONAL HEALTH PLLC | Business | 248003566 | CHICAGO | ACTIVE | Verify |
| WILDFLOWER WAY COUNSELING PLLC | Business | 248007669 | CHICAGO | ACTIVE | Verify |
| WILDWOOD THERAPY PLLC | Business | 248003866 | CHICAGO | NOT RENEWED | Verify |
| WILKINSON CLINIC OF CHIROPRACTIC PLLC | Business | 248006015 | MORRIS | ACTIVE | Verify |
| WILL DEMPSEY, LICSW, PLLC | Business | 248003725 | CHICAGO | NOT RENEWED | Verify |
| WILL HESS DENTISTRY PLLC | Business | 248007674 | RANTOUL | ACTIVE | Verify |
| WILLIAM C JOHNSON DDS LLC | Business | 248002692 | MORTON | NOT RENEWED | Verify |
| WILLIAM FORSYTHE DO LLC | Business | 248000706 | CHAMPAIGN | NOT RENEWED | Verify |
| WILLIAM G WOLSKI DDS LLC | Business | 248000512 | ROSELLE | NOT RENEWED | Verify |
| WILLIAM H. NORTHERN | Business | 248005487 | AVISTON | ACTIVE | Verify |
| WILLIAM JOO DMD, PLLC | Business | 248007284 | ROLLING MEADOWS | ACTIVE | Verify |
| WILLIAMS CHIROPRACTIC OFFICE PLLC | Business | 248007269 | CENTRALIA | ACTIVE | Verify |
| WILLIAMS-BUTLER & ASSOCIATES, PLLC | Business | 248004443 | BOLINGBROOK | NOT RENEWED | Verify |
| WILLOW & LEAF, PLLC | Business | 248005181 | CHICAGO | ACTIVE | Verify |
| WILLOW AND IVY COUNSELING PLLC | Business | 248007102 | CHICAGO | ACTIVE | Verify |
| WILLOW BEHAVIORAL HEALTH, PLLC | Business | 248003223 | CHICAGO | ACTIVE | Verify |
| WILLOW BROOK COUNSELING AND WELLNESS, PLLC | Business | 248007120 | HAVANA | ACTIVE | Verify |
| WILLOW GROVE COUNSELING & WELLNESS PLLC | Business | 248006978 | CHICAGO | ACTIVE | Verify |
| WILLOW JOURNEY WELLNESS, PLLC | Business | 248005054 | BROOKFIELD | ACTIVE | Verify |
| WILLOW KRAFCIK PSYCHOTHERAPY AND CONSULTING, PLLC. | Business | 248005443 | CHICAGO | ACTIVE | Verify |
| WILLOW PSYCHOLOGY GROUP, PLLC | Business | 248007050 | NORTHFIELD | ACTIVE | Verify |
| WILLOW RHEUMATOLOGY AND WELLNESS, PLLC | Business | 248005140 | HINSDALE | NOT RENEWED | Verify |
| WILLOW RIDGE DENTAL GROUP LLC | Business | 248000541 | NAPERVILLE | ACTIVE | Verify |
| WILLOW RISING WELLNESS, PLLC | Business | 248007098 | CARBONDALE | ACTIVE | Verify |
| WILLOW THERAPEUTIC PLLC | Business | 248005379 | WILLOW SPRINGS | ACTIVE | Verify |
| WILLOW TREE COUNSELING SERVICES PLLC | Business | 248007332 | BARRINGTON | ACTIVE | Verify |
| WILLOW TREE THERAPY CENTER PLLC | Business | 248001364 | NAPERVILLE | ACTIVE | Verify |
| WILLS THERAPY SERVICES, PLLC | Business | 248006205 | ELMHURST | ACTIVE | Verify |
| WILMETTE DENTAL INSTITUTE | Business | 248004320 | WILMETTE | NOT RENEWED | Verify |
| WILMETTE MEDICAL GROUP, PLLC | Business | 248005066 | SPRINGFIELD | NOT RENEWED | Verify |
| WILSON COUNSELING, PLLC MAILING | Business | 248005316 | EVANSTON | ACTIVE | Verify |
| WILSON STANDARD WELLNESS, PLLC | Business | 248007508 | EDWARDSVILLE | ACTIVE | Verify |
| WIN PHYSICAL THERAPY PLLC | Business | 248006023 | PROSPECT HEIGHTS | ACTIVE | Verify |
| WINDMILL COUNSELING, PLLC | Business | 248007026 | GENEVA | ACTIVE | Verify |
| WINDSORS ANETHESIA LLC | Business | 248001296 | SCHAUMBURG | NOT RENEWED | Verify |
| WINDY CITY COUNSELING LLC | Business | 248001102 | EVANSTON | NOT RENEWED | Verify |
| WINDY CITY DENTAL LLC | Business | 248000178 | CHICAGO | NOT RENEWED | Verify |
| WINDY CITY DENTAL STUDIO, PLLC | Business | 248006983 | CHICAGO | ACTIVE | Verify |