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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.

8
Union petitions
since Jan 2023
4
Won by a union

Union petitions in Wisconsin

Newest first. Each employer opens its page, with its open jobs.

Union petitions at healthcare employers hiring in Wisconsin
FiledEmployerWorkersUnionOutcome
21 Aug 2026SSM HealthMadison, WINot described52 eligibleSEIU WisconsinThe union won, 27 to 14
21 Aug 2026SSM HealthMadison, WINot described88 eligibleSEIU WisconsinThe union won, 58 to 14
10 Aug 2026SSM HealthMadison, WIregistered nurses200 eligibleSEIU WisconsinThe union won, 103 to 48
1 May 2026SSM HealthMadison, WIregistered nurses (RNs)853 eligibleSEIU WisconsinVoted 11 Jun 2026, not yet certified, 511 to 63
29 Jan 2026Rogers Behavioral HealthMadison, WINot describedNational Union of Healthcare Workers (NUHW)Petition withdrawn
10 Dec 2025Allina HealthRiver Falls, WIEMTs and paramedics reporting out of the employer’s river falls, WI facility34 eligibleInternational Association of EMT's and Paramedics/NAGE Local 167No union, 3 to 25
12 Dec 2024Group Health Cooperative of South Central WisconsinMadison, WINot describedSEIU WisconsinPetition withdrawn
21 Jun 2024Essentia HealthSuperior, WIregistered nurses19 eligibleMinnesota Nurses AssociationThe union won, 11 to 8

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.

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.

  1. 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

How the board counts
Healthcare Union Elections in Wisconsin | CareJobs.Now