US WARN layoff notices › Employers › O › Oldcastle Building Envelope
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
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| — | Michigan | Highland, Michigan, Oakland | 124 | 2025-08-18 | Facility closure |
| 2014-01-13 | Washington | Everett | 56 | 2014-03-12 | Closure |
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.