Official filing · original source linked

Hallcon Corporation WARN notice — CA

Name: Hallcon Corporation WARN notice
Creator: California Employment Development Department

Hallcon Corporation reported 65 workers affected in Santa Clara. Notice date: Sep 28, 2023; planned effective date: Dec 31, 2023.

Raw employer name: Hallcon Corporation
Canonical company: Hallcon →
Workers affected: 65
Event type: layoff
Filing status: filed
Notice / received date: Sep 28, 2023
Effective date: Dec 31, 2023
City: Unavailable
County: Santa Clara →
State: California →
ZIP: 94089
Reported location: Santa Clara
Published address: 1000 Enterprise Way Sunnyvale CA 94089
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 / hallcon-corporation|1000-enterprise-way-sunnyvale-ca-94089|2023-09-28

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": "09/28/2023",
    "received_date": "11/01/2023",
    "effective_date": "12/31/2023",
    "company": "Hallcon Corporation",
    "reported_location": "Santa Clara County",
    "workers": "65",
    "type": "Layoff Permanent",
    "address": "1000 Enterprise Way Sunnyvale CA 94089"
  },
  "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": 17
}

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
HallconMultiple, COSecondary · WARN Feed	104	Apr 25, 2025	Apr 24, 2025	closureSource ↗
Hallcon CorporationClovis, Curry, NMSecondary · WARN Feed	118	Oct 31, 2024	Aug 30, 2024	UnavailableSource ↗
Hallcon CorporationSan Francisco, CA	63	Nov 25, 2022	Sep 26, 2022	layoffSource ↗
HallconLancaster, PASecondary · WARN Feed	84	Jul 15, 2019	May 1, 2019	UnavailableSource ↗

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.