Is Diamond Transportation Services laying off workers?
Yes. Diamond Transportation Services filed 5 WARN notices in the last 12 months covering 1,152 jobs. The most recent was filed May 13, 2026 for Landover, Maryland, effective May 12, 2026.
1,152 roles affected across 5 filings in 2 states.
Filing history
Diamond Transportation Services has filed 5 WARN notices between 2025 and 2026, cutting 1,152 jobs in total. Activity picked back up in the last 12 months (1,152 jobs) after a quiet prior year.
Every filing
Questions
Yes. Diamond Transportation Services filed 5 WARN notices in the last 12 months covering 1,152 jobs. The most recent was filed May 13, 2026 for Landover, Maryland, effective May 12, 2026.
1,152 jobs in WARN notices filed in the last 12 months. 1,152 jobs across all 5 official WARN filings on record since 2025, in 2 states.
The most recent filing lists an effective date of May 12, 2026. The WARN Act requires roughly 60 days' advance notice, so the filing date precedes the job losses.
Is Diamond Transportation Services on a list you care about?
Paste your suppliers, customers or holdings at /monitor and see which of them have filed a layoff that has not happened yet. A WARN notice is filed about 60 days before the jobs go, so those are still ahead of you. Free to check, no account, and we do not store your list.
We'll email you if there are further filings, expansions, or new locations affected.