The Labor Board's record, joined to who is hiring
Healthcare union elections in Wisconsin
8 union petitions since Jan 2023 at 5 healthcare employers hiring in Wisconsin, by the National Labor Relations Board's record: unions won 4 elections and 1 petitions are pending. Workers at public hospitals organize under Wisconsin law instead, outside this record.
SSM Health, Rogers Behavioral Health, Allina Health, Group Health Cooperative of South Central Wisconsin, Essentia Health.
Union petitions in Wisconsin
Newest first. Each employer opens its page, with its open jobs.
| Filed | Employer | Workers | Union | Outcome |
|---|---|---|---|---|
| 21 Aug 2026 | SSM HealthMadison, WI | Not described52 eligible | SEIU Wisconsin | The union won, 27 to 14 |
| 21 Aug 2026 | SSM HealthMadison, WI | Not described88 eligible | SEIU Wisconsin | The union won, 58 to 14 |
| 10 Aug 2026 | SSM HealthMadison, WI | registered nurses200 eligible | SEIU Wisconsin | The union won, 103 to 48 |
| 1 May 2026 | SSM HealthMadison, WI | registered nurses (RNs)853 eligible | SEIU Wisconsin | Voted 11 Jun 2026, not yet certified, 511 to 63 |
| 29 Jan 2026 | Rogers Behavioral HealthMadison, WI | Not described | National Union of Healthcare Workers (NUHW) | Petition withdrawn |
| 10 Dec 2025 | Allina HealthRiver Falls, WI | EMTs and paramedics reporting out of the employer’s river falls, WI facility34 eligible | International Association of EMT's and Paramedics/NAGE Local 167 | No union, 3 to 25 |
| 12 Dec 2024 | Group Health Cooperative of South Central WisconsinMadison, WI | Not described | SEIU Wisconsin | Petition withdrawn |
| 21 Jun 2024 | Essentia HealthSuperior, WI | registered nurses19 eligible | Minnesota Nurses Association | The union won, 11 to 8 |
Employers hiring in Wisconsin with a petition
Healthcare union elections in Wisconsin: common questions
Which hospitals and healthcare employers in Wisconsin unionized recently?
Unions won 4 elections in Wisconsin since Jan 2023 at employers hiring on this site, the latest: SSM Health, a unit of workers in Madison, WI (SEIU Wisconsin), filed 21 Aug 2026: the union won, 27 to 14; SSM Health, a unit of workers in Madison, WI (SEIU Wisconsin), filed 21 Aug 2026: the union won, 58 to 14; SSM Health, registered nurses in Madison, WI (SEIU Wisconsin), filed 10 Aug 2026: the union won, 103 to 48; Essentia Health, registered nurses in Superior, WI (Minnesota Nurses Association), filed 21 Jun 2024: the union won, 11 to 8.
Which unions represent healthcare workers in Wisconsin?
By the elections won since Jan 2023: SEIU Wisconsin (3) and Minnesota Nurses Association (1). Each won among one unit of workers at one site; older units are not in this window.
Are any union elections pending in Wisconsin?
1: SSM Health, registered nurses (RNs) in Madison, WI (SEIU Wisconsin), filed 1 May 2026: voted 11 Jun 2026, not yet certified, 511 to 63.
Healthcare union elections in other states
- Oregon
- California
- Washington
- New York
- Minnesota
- Massachusetts
- Michigan
- Pennsylvania
- Illinois
- New Jersey
- Ohio
- Vermont
- District of Columbia
- Montana
- Maryland
- New Mexico
- Connecticut
- Indiana
- Alabama
- Arizona
- Florida
- Georgia
- Iowa
- Missouri
- Tennessee
- Texas
- Kansas
- Kentucky
- North Carolina
- New Hampshire
- Nevada
- Rhode Island
- South Dakota
- Virginia
Sources and method
A case is listed when the employer its petition names is one of the employers hiring on this site, matched by name and by its open jobs in the case's town. Cases filed since Jan 2023, read 9 Nov 2026. Every state.
- National Labor Relations Board case records (nlrb.gov), as copied nightly by labordata/nlrb-data
Cite this page
CareJobs.Now. (2026). Healthcare union elections in Wisconsin. Data as of 9 Nov 2026. https://carejobs.now/healthcare-union-elections/wisconsin