US WARN layoff notices › Employers › 0 › 3M

3M — WARN Act layoff notices

Official state WARN filings by 3M since 1988, normalized from state labor department sources. Latest notice: 2020-05-02.

Also filed as: 3M Oral Care; Ceradyne ACO (Ceradyne, Inc

7notices
1,113workers affected
6states
Notice dateStateLocationEmployeesEffective dateType
2020-05-02CaliforniaIrvine, Orange County2642020-03-27Layoff Temporary
2020-05-02CaliforniaMonrovia, Los Angeles County4642020-04-27Layoff Temporary
2017-03-29OhioElyria/Lorain1362017-05-31—
2014-07-30ConnecticutEnfield69—Closing
2013-04-08KentuckyFayette932013-06-10Layoff
2010-06-16OklahomaARDMORE——Mass Layoff
2007-10-01New JerseyBELLE MEAD872007-11-05—

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.

Check 3M against the last 180 days of filings — right now, free

One click opens the free checker with 3M already in the list; add the rest of your accounts and it matches them in your browser — no account, no email, nothing sent anywhere. WARN Watch is the paid version that re-checks your list on every daily refresh for you and posts new matches to a private alert page, an RSS feed and a Slack or Teams webhook.

Check 3M now — free, no signupHave it watched for you — free for 30 daysThe trial needs no card. After it, WARN Watch is $49 for a year — one payment, no auto-renew, 14-day refund. The notice data on this page stays free either way.