US WARN layoff notices › Employers › Oldcastle Building Envelope
Official state WARN filings by Oldcastle Building Envelope since 2024, normalized from state labor department sources. Latest notice: 2025-08-18.
Also filed as: Midwest Glass
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| — | Michigan | Highland, Michigan, Oakland | 124 | 2025-08-18 | Facility closure |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, 48h-delayed, notices 2024+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.