Español

|

The NLRB public website is scheduled to undergo routine maintenance from Friday, July 24, 2026, at 11:00 p.m. ET (8:00 p.m. PT) until Monday, July 27, 2026, at 6:00 a.m. ET. From Friday night at 11:00 p.m. ET through Saturday morning at about 9:00 a.m. ET, E-Filing will not be available. From Saturday through Monday morning, the E-Filing applications (E-Filing, Online Charge and Petition, and My Account Portal) may be periodically unavailable. We apologize for any inconvenience.

close
  1. Home

Case Search Results

Case

3M

 
E-File Follow
Sign into MyNLRB to follow cases and receive updates. What is this?

Case Number: 18-RC-391475

Date Filed: 07/22/2026

Status: Open

No. of Employees: 465

Location: Prairie du Chien, WI

Region Assigned: Region 18, Minneapolis, Minnesota

Unit Description: Included: All full-time and regular part-time production employees, maintenance employees, shipping employees, and quality control technicians at the 3M Prairie du Chien, WI plants. Excluded: All temporary employees, agency and joint employees, office clerical employees, professional employees, guards, supply chain employees and supervisors as defined in the Act


Docket Activity

Docket Activity data is not available.

Related Documents

Related Documents data is not available.

Allegations

Allegations data is not available.

Participants

Participant Address Phone
Petitioner
Union
United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied & Industrial Service Workers International Union, AFL-CIO, CLC
 Pittsburgh, PA
15222
 (412)562-2529
 
Employer
Employer
3M
 Prairie du Chien, WI
53821
 (608)326-2466
 

Related Cases

Related Cases data is not available.