Advanced Pressure Technology Layoff — December 2025
SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed October 2, 2025View the filing ↗
What we know
Location: Technology Way Napa, CA (Napa County).
A WARN notice for this layoff is recorded on October 2, 2025.
Disclosed through an official WARN filing with the CA state workforce agency.
Summary
Strauss Borrelli PLLC is investigating Advanced Pressure Technology (AP Tech) for a potential WARN Act violation after AP Tech notified the California Employment Development Department on October 2, 2025 of a decision to conduct a mass layoff at its Napa, California facility. The firm alleges AP Tech may have failed to provide the required 60 days' notice before laying off 237 employees and is exploring whether affected workers are entitled to 60 days of pay and benefits under the federal WARN Act. AP Tech, a subsidiary of SMC Corporation, designs and manufactures high-/ultra-high-purity gas delivery components. The notice triggered the investigation into whether AP Tech violated WARN requirements by not giving timely written notice to employees and government parties, and the law firm is soliciting contacted employees for potential legal remedies.
Advanced Pressure Technology disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CA state workforce agency on October 2, 2025. The notice covers 237 employees in Technology Way Napa, CA (Napa County), with the layoff effective December 1, 2025.
LayoffTalk has tracked 2 layoff events at Advanced Pressure Technology since July 2025, including 325 jobs documented in official WARN filings.
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