WARN Act and Layoffs in Manufacturing: What Factory Workers Should Know

Factory floors generate a steady share of America's layoff notices. In the current WARN data tracked by Layoff Atlas — 681 notices covering 61,493 reported workers in the 90-day window, updated November 14, 2026 — manufacturing employers appear again and again: food processors, furniture makers, auto-parts plants, and building-materials factories.

If you work in manufacturing, the WARN Act is the law that decides how much warning you get before a plant closes or a shift disappears. Here is how it works in a factory setting, and what the recent filings show.

The 60-day rule, applied to a plant

The federal WARN Act requires employers with 100 or more full-time employees to give 60 days' written notice before a plant closing or a mass layoff. A plant closing counts when an employment site shuts down and 50 or more workers lose their jobs. A mass layoff counts when 500 or more workers are affected, or when 50 to 499 workers are affected and they make up at least one-third of the workforce at that site.

Those thresholds matter in manufacturing because plants often sit right on the line. A 99-worker closure of a small facility — like the Matthew Warren, LLC filing in Logansport, Indiana, effective January 15, 2027 — still triggers the law when the employer meets the 100-employee test, even though the affected headcount at that one site is under 100.

Notice must go to affected workers, their union representative if there is one, the state dislocated-worker unit, and the chief elected official of the local government. These are reported plans, not confirmed job losses: a filing announces an employer's intentions, and the numbers can change before the effective date.

Temporary and seasonal cuts are not automatically exempt

Manufacturing runs on seasons, and some of the largest recent filings are temporary. Dreyer's Grand Ice Cream filed an 803-worker temporary notice in Howard County, Maryland, effective December 20, 2026 — the largest single manufacturing filing in the current data. Temporary layoffs of less than six months can fall outside the WARN Act's definition of an employment loss, which is why employers sometimes frame a shutdown as temporary. But a "temporary" layoff that stretches past six months, or is followed by a permanent closure, can become a WARN event after the fact. If your plant announces a temporary shutdown, watch the calendar: the six-month mark is the line that matters.

The same logic applies to seasonal work. Holiday production ramps, agricultural processing, and food manufacturing all shed workers on a schedule, but a seasonal pattern does not excuse an employer from the notice requirement when a layoff meets the thresholds.

Nine recent manufacturing filings, 1,573 workers

The recent record shows how varied manufacturing layoffs are. Nine filings from the past few weeks alone cover 1,573 reported workers:

  • Dreyer's Grand Ice Cream — 803 workers, Howard County, Maryland, temporary filing, effective December 20, 2026.
  • CB Manufacturing (Pepsi Beverages) — 143 workers, Hyattsville, Maryland, effective November 13, 2026.
  • Pella — 133 workers, Reidsville, North Carolina, facility closure.
  • Sealy Mattress Manufacturing — 114 workers, Trinity, North Carolina, closure, effective December 31, 2026.
  • Matthew Warren, LLC — 99 workers, Logansport, Indiana, closure, effective January 15, 2027.
  • FTGU — 93 workers, Conover, North Carolina, closure, effective December 16, 2026.
  • Builders FirstSource — 82 workers, Jacksonville, Florida, facility closure, effective December 12, 2026.
  • Behlen Building Systems — 55 workers, Sarasota, Florida, effective December 18, 2026.
  • Dexter Axle — 51 workers, Elkhart, Indiana, effective December 31, 2026.

Three of the nine are in North Carolina, and two are in Maryland — a reminder that manufacturing layoffs cluster in states with deep factory bases, even while California (22,043 reported workers) and Washington (17,333) dominate the national picture.

What to do when your plant files

First, read the notice itself. It should state the effective date, whether the layoff is permanent or temporary, and whether the whole plant or only part of it is affected. The effective date is the day your employment is scheduled to end — the weeks ahead in the current data run from 7,359 workers effective the week of November 14 down to 1,136 the week of December 5, so timing varies widely by filing.

Second, check whether your state has a mini-WARN law. California, New York, New Jersey, and several other states set lower thresholds or longer notice periods than the federal law. A plant that escapes the federal 100-employee test can still be covered by a state rule.

Third, know the remedy if notice is short. When an employer violates the WARN Act, affected workers can claim back pay and benefits for each day of notice they should have received, up to 60 days. Enforcement runs through the courts, not a government agency, so workers typically act together — and the clock on filing a claim starts ticking early.

Finally, use the notice period. Sixty days is the law's whole point: time to file for unemployment, check health coverage continuation, and look for the next job while still employed. Earlier explainers in this series cover how to use it.

Manufacturing layoffs rarely arrive as a surprise to the data. The filings are public, the effective dates are published weeks in advance, and the law gives workers a defined window to act.

Data source: Layoff Atlas.