Official filing · original source linked

Diamond Transportation Services WARN notice — MD, 2025-11-10

Name: Diamond Transportation Services, Inc. WARN notice
Creator: Maryland Department of Labor

Diamond Transportation Services, Inc. reported 182 workers affected in Southern Maryland. Notice date: Nov 10, 2025; planned effective date: Nov 30, 2025.

Raw employer name: Diamond Transportation Services, Inc.
Canonical company: Diamond Transportation Services →
Workers affected: 182
Event type: layoff
Filing status: Unavailable
Notice / received date: Nov 10, 2025
Effective date: Nov 30, 2025
City: Unavailable
County: Southern Maryland
State: Maryland →
ZIP: 20685
Reported location: Southern Maryland
Published address: 3201 Hubbard Rd Landover, MD 20685
Source classification: Unavailable
Source agency: Maryland Department of Labor

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Original source & provenance

Open supplied source ↗

Agency source
Maryland Department of Labor

Source ID / record ID
md-labor / diamond-transportation-services-inc|3201-hubbard-road-landover-md-20685|2025-11-10

First ingested
Oct 6, 2026 · 16:07 UTC

Last observed
Oct 6, 2026 · 16:07 UTC

Snapshot SHA-256
5c30c52017382fedbb3ba548f8fe0f407f0aa00efbdc32ade7c2cf7836220810

View original source row

[
  "11/10/2025",
  "485113",
  "Diamond Transportation Services, Inc.",
  "3201 Hubbard Road Landover, MD 20685",
  "Southern Maryland",
  "182",
  "11/30/2025",
  "Mass Layoff - No Recall"
]

A source-linked public record. Secondary records are attributed to their provider and are not independently verified. For direct records, “Verified” means sourced from an official agency; it does not confirm the layoffs took place.

Related company filings

Company / location	Workers	Effective date	Notice date	Type / source
Diamond Transportation ServicesPrince George's, MD	571	May 12, 2026	May 13, 2026	closureSource ↗
Diamond Transportation ServicesFairfax County, VA	144	May 12, 2026	May 12, 2026	closureSource ↗
Diamond Transportation ServicesPrince George's, MD	194	Nov 30, 2025	Nov 10, 2025	layoffSource ↗
Diamond Transportation ServicesSpringfield, VA	61	Nov 30, 2025	Nov 7, 2025	closureSource ↗

Dates and counts are the supplied source’s reported values. Secondary-provider locations are unstructured; they are not confirmed worksite addresses. Check the original document for phased dates, updates and exceptions.