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Diamond Transportation Services, Inc. has a WARN Act filing history stretching from November 2025 to May 2026, with 4 notices affecting 958 employees in total. Filings span Virginia (2) and Maryland (2). Notices include 3 facility closures and 1 layoff. The largest single filing affected 571 employees in Landover, MD (May 2026). Activity has been elevated recently, with 4 of 4 notices falling within 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