Diamond Transportation Services layoffs in Maryland
Diamond Transportation Services has filed 3 WARN notices in Maryland since January 2023, covering 947 workers at 3 sites in Prince George's County and Southern Maryland. They came in 2 filing rounds, dated on Nov 10, 2025 and May 13, 2026. The latest notice (571 workers) took effect on May 12, 2026.
About this data: figures are collected automatically from Maryland Department of Labor and checked before publication. They are for general information only and are not advice. Confirm with the source before acting. Last verified Oct 16, 2026, 11:00 AM ET. Report an error →
Employer names, worker counts and dates are as listed by the Maryland Department of Labor from WARN notices and may be amended by the filer. Employers who believe a listing is inaccurate can email editor@moneytrackerdaily.com with the company name and notice date.
All Maryland WARN notices · Methodology · Download CSV · Cite this
Summary
All 3 notices
| Notice date | Employer (as filed) | Local area | Site | Workers | Type | Effective date | Source |
|---|---|---|---|---|---|---|---|
| May 13, 2026 | Diamond Transportation Services, Inc. | Prince George's | 3201 Hubbard Road Landover, MD 20785 | 571 | Closure | May 12, 2026 | Listing |
| Nov 10, 2025 | Diamond Transportation Services, Inc. | Prince George's | 8261 Central Avenue Capital Heights, MD 20743 | 194 | Layoff - No Recall | Nov 30, 2025 | Listing |
| Nov 10, 2025 | Diamond Transportation Services, Inc. | Southern Maryland | 3201 Hubbard Road Landover, MD 20685 | 182 | Layoff - No Recall | Nov 30, 2025 | Listing |
By local area
| Local area | Notices | Workers |
|---|---|---|
| Prince George's County | 2 | 765 |
| Southern Maryland | 1 | 182 |
Methodology
- What is included
- Every Maryland WARN notice we have stored whose employer name matches this employer once site names, addresses and legal suffixes such as "Inc." or "LLC" are set aside, from all years collected, not only the current one. Totals are calculated by us from the notices.
- Last updated
- Oct 16, 2026, 11:00 AM ET
- Download
- CSV of the notices on this page
- Cite this
Money Tracker Daily, "Diamond Transportation Services layoffs in Maryland", updated October 16, 2026, https://moneytrackerdaily.com/trackers/layoffs/maryland/company/diamond-transportation-services. Data: Maryland Department of Labor, WARN notices.
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