US WARN layoff notices › Employers › C › Cornerstone Building Brands
Official state WARN filings by Cornerstone Building Brands since 1988, normalized from state labor department sources. Latest notice: 2026-08-27.
Also filed as: PlyGem Pacific Windows
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-08-27 | Ohio | Walbridge/Wood | 104 | 2026-12-01 | Closure |
| 2026-08-20 | Missouri | — | — | — | — |
| 2024-10-15 | Oregon | Tualatin | 76 | 2024-12-20 | Permanent closure |
| 2024-09-01 | New Jersey | North Brunswick | 86 | 2024-09-13 | — |
| 2024-04-01 | New Jersey | North Brunswick | 72 | 2024-07-18 | — |
| 2023-06-06 | Illinois | Lansing, 16801 Exchange Ave. | 274 | — | State |
| 2023-02-23 | California | Sacramento County | 128 | 2023-04-17 | Layoff Permanent |
| 2020-06-05 | California | Corona, Riverside County | 118 | 2020-07-17 | Closure Permanent |
| — | Pennsylvania | Ambridge, Beaver | 100 | 2020-03-31 | Permanent Closure |
| 2019-06-03 | North Carolina | Columbus County | 58 | 2019-08-02 | Layoff |
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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