| 262 EYES | Organization | GLENDALE |
| 5 ELEMENTS HEALTH & WELLNESS, LLC | Organization | MOUNT PLEASANT |
| 605 SPORT AND SPINE | Organization | STEVENS POINT |
| ACCIDENT AND INJURY REHAB CENTER, INC | Organization | MILWAUKEE |
| ACE ACUPUNCTURE CLINIC OF MILWAUKEE, LLC | Organization | MILWAUKEE |
| ACORN DIETETICS, LLC | Organization | NEW GLARUS |
| ACTIVE FAMILY CHIROPRACTIC CENTER LLC | Organization | GREEN LAKE |
| ADAMS EYE CLINIC | Organization | WESTBY |
| ALF MEDICAL LLC | Organization | KENOSHA |
| ALLINA HEALTH SYSTEM | Organization | RIVER FALLS |
| ALTERNATIVE CENTER FOR EDUCATION, INC. | Organization | APPLETON |
| ALTMED LLC | Organization | MADISON |
| APONTES CLINICA LATINA LLC | Organization | MILWAUKEE |
| ARBOR PLACE, INC. | Organization | MENOMONIE |
| ARROWHEAD DENTAL CENTER,SC | Organization | STEVENS POINT |
| ASCENSION MEDICAL GROUP-FOX VALLEY WISCONSIN, INC | Organization | NEW LONDON |
| ASCENSION MEDICAL GROUP-NORTHERN WISCONSIN, INC | Organization | WAUSAU |
| ASCENSION SACRED HEART - ST MARY'S HOSPITALS, INC. | Organization | LAND O LAKES |
| ASCENSION SACRED HEART - ST MARY'S HOSPITALS, INC. | Organization | THREE LAKES |
| ASHLAND AUDIOLOGY LLC | Organization | HAYWARD |
| ASHLAND AUDIOLOGY LLC | Organization | ASHLAND |
| ASPIRUS CHIPPEWA FALLS HOSPITAL & CLINICS INC | Organization | CHIPPEWA FALLS |
| ASPIRUS DOCTORS CLINIC | Organization | WISCONSIN RAPIDS |
| ASPIRUS DOCTORS CLINIC | Organization | WISCONSIN RAPIDS |
| ASPIRUS DOCTORS CLINIC | Organization | ANTIGO |
| ASPIRUS DOCTORS CLINIC, INC | Organization | MEDFORD |
| ASPIRUS DOCTORS CLINIC, INC. | Organization | WISCONSIN RAPIDS |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WITTENBERG |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | ANTIGO |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | THREE LAKES |
| ASPIRUS MEDICAL GROUP, INC. | Organization | LAND O LAKES |
| ASPIRUS MEDICAL GROUP, INC. | Organization | MARATHON |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | RHINELANDER |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WOODRUFF |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | STEVENS POINT |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WESTON |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WAUSAU |
| ASPIRUS MEDICAL GROUP, INC. | Organization | STEVENS POINT |
| ASPIRUS MEDICAL GROUP, INC. | Organization | WESTON |
| ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC. | Organization | AMHERST |
| ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC. | Organization | PLOVER |
| ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC. | Organization | STEVENS POINT |
| ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC. | Organization | IOLA |
| ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC. | Organization | RHINELANDER |
| ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC. | Organization | STEVENS POINT |
| ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC. | Organization | WITTENBERG |
| ASPIRUS RHINELANDER & TOMAHAWK HOSPITALS & CLINICS, INC. | Organization | STEVENS POINT |
| ASPIRUS SPECIALISTS INC | Organization | WAUSAU |