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Effective October 21, 2019, parties to unfair labor practice or representation cases processed in NLRB Regional Offices must submit all written statements, correspondence, position statements, documentary or any other evidence through the Agency’s electronic filing system (E-Filing). 

Click on the NLRB’s NEW My Account Portal Link to

·        Create an account or access your existing  E-Filing account

·        View your E-Filing History

·        E-File documents in a case or inquiry to which you are a party

·        Manage the contact information associated with your account.

Lehigh Cement Company

Case Number: 18-CA-256757
Location: Mason City, IA
Date Filed: 02/21/2020
Region Assigned: Region 18, Minneapolis, Minnesota
Status: Closed on 03/11/2020
Reason Closed: Withdrawal Adjusted

Docket Activity

Datesort ascending Document Issued/Filed By
03/11/2020 Letter Approving Withdrawal Request* NLRB - GC
03/09/2020 Request for an Extension of Time to File a Document* Charged Party / Respondent
02/21/2020 Initial Letter to Charging Party* NLRB - GC
02/21/2020 Initial Letter to Charged Party* NLRB - GC
02/21/2020 Signed Charge Against Employer* Charging Party


  • 8(a)(5) Refusal to Furnish Information


Participant Address Phone
Charged Party / Respondent
Lehigh Cement Company
Mason City, IA
Charging Party
Boillermakers Local Lodge D-106
Mason City, IA

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