US WARN layoff noticesEmployersO › Oldcastle Building Envelope

Oldcastle Building Envelope — WARN Act layoff notices

Official state WARN filings by Oldcastle Building Envelope since 1988, normalized from state labor department sources. Latest notice: 2025-08-18.

Also filed as: Midwest Glass

2notices
180workers affected
2states
Notice dateStateLocationEmployeesEffective dateType
MichiganHighland, Michigan, Oakland1242025-08-18Facility closure
2014-01-13WashingtonEverett562014-03-12Closure

Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.

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