US WARN layoff notices › Employers › D › Diamond Transportation Services
Official state WARN filings by Diamond Transportation Services since 1988, normalized from state labor department sources. Latest notice: 2026-05-13.
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| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-05-13 | Maryland | 3201 Hubbard Road Landover, MD 20785 | 571 | 2026-05-12 | Plant Closure |
| 2026-05-12 | Virginia | Fairfax County | 144 | 2026-05-12 | Closure |
| 2025-11-10 | Maryland | 3201 Hubbard Road Landover, MD 20685 | 182 | 2025-11-30 | Mass Layoff - No Recall |
| 2025-11-10 | Maryland | 8261 Central Avenue Capital Heights, MD 20743 | 194 | 2025-11-30 | Mass Layoff - No Recall |
| 2025-11-07 | Virginia | Springfield | 61 | 2025-11-30 | Closure |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
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