US WARN layoff notices › Employers › C › Corning Optical Communications

Corning Optical Communications — WARN Act layoff notices

Official state WARN filings by Corning Optical Communications since 1988, normalized from state labor department sources. Latest notice: 2025-02-20.

Also filed as: TR Manufacturing

2notices

276workers affected

1state

Notice date	State	Location	Employees	Effective date	Type
2025-02-20	California	Santa Clara County	80	2025-02-20	Closure Permanent
2020-10-05	California	Union City, Alameda County	196	2021-01-29	Layoff Permanent

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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