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National Oilwell Varco has a WARN Act filing history stretching from February 2009 to May 2025, with 4 notices affecting 268 employees in total. Filings are concentrated in Oklahoma (2) and Ohio (1), with additional notices across 1 other state. Notices include 2 facility closures and 2 layoffs. The largest single filing affected 127 employees in Dayton, OH (May 2025). There have been no new filings in the past 12 months.

Under the WARN Act (Worker Adjustment and Retraining Notification Act), employers with 100 or more employees are required to provide 60 days advance notice before conducting plant closures or mass layoffs. These notices are filed with state labor departments and are public record.

Layoff History

Employees affected over time

All WARN Act Notices

Location Effective Date Employees Type
Dayton, OH May 8, 2025 127 closure
Houma, LA Mar 7, 2016 80 layoff
Tulsa, OK Feb 3, 2009 61 layoff
McAlester, OK N/A closure