Official filing · original source linked

Thermo Fisher Scientific WARN notice — CA, 2023-11-15

Name: Thermo Fisher Scientific WARN notice
Creator: California Employment Development Department

Thermo Fisher Scientific reported 74 workers affected in Sonoma. Notice date: Nov 15, 2023; planned effective date: Feb 1, 2024.

Raw employer name: Thermo Fisher Scientific
Canonical company: Thermo Fisher Scientific →
Workers affected: 74
Event type: layoff
Filing status: filed
Notice / received date: Nov 15, 2023
Effective date: Feb 1, 2024
City: Unavailable
County: Sonoma →
State: California →
ZIP: 94954
Reported location: Sonoma
Published address: 2200 S McDowell Blvd Ext Petaluma CA 94954
Source classification: Layoff Permanent
Source agency: California Employment Development Department

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Original source & provenance

Open supplied source ↗

Agency source
California Employment Development Department

Source ID / record ID
ca-edd / thermo-fisher-scientific|2200-s-mcdowell-blvd-ext-petaluma-ca-94954|2023-11-15

First ingested
Oct 6, 2026 · 16:18 UTC

Last observed
Oct 7, 2026 · 21:57 UTC

Snapshot SHA-256
12a7366972c7deba18bd8eefc56c3e763b2926014fb679417bde774671309ef1

View original source row

{
  "cells": {
    "notice_date": "11/15/2023",
    "received_date": "12/22/2023",
    "effective_date": "02/01/2024",
    "company": "Thermo Fisher Scientific",
    "reported_location": "Sonoma County",
    "workers": "74",
    "type": "Layoff Permanent",
    "address": "2200 S McDowell Blvd Ext Petaluma CA 94954"
  },
  "noticeDateField": "Notice Date",
  "archive": "https://edd.ca.gov/siteassets/files/jobs_and_training/warn/warn-report-for-7-1-2023-to-06-30-2024.pdf",
  "page": 25
}

A source-linked public record. Secondary records are attributed to their provider and are not independently verified. For direct records, “Verified” means sourced from an official agency; it does not confirm the layoffs took place.

Related company filings

Company / location	Workers	Effective date	Notice date	Type / source
Thermo Fisher ScientificFranklin, MA	15	Oct 16, 2026	Aug 13, 2026	UnavailableSource ↗
Thermo Fisher ScientificSan Diego, CA	173	Mar 18, 2026	Jan 27, 2026	temporarySource ↗
Thermo Fisher ScientificFranklin, MA	103	Dec 31, 2026	Jan 23, 2026	UnavailableSource ↗
Thermo Fisher ScientificAsheville, NC	423	Dec 31, 2027	Jan 8, 2026	closureSource ↗
Thermo Fisher ScientificSuite A Cerritos, CA	11	Jun 28, 2025	Apr 29, 2025	closureSource ↗

Dates and counts are the supplied source’s reported values. Secondary-provider locations are unstructured; they are not confirmed worksite addresses. Check the original document for phased dates, updates and exceptions.