Employers in Maryland submitted 26 WARN Act notices in September 2025, putting at risk an estimated 674 workers — down from August and up 60% versus September 2024. The average filing covered 26 workers, with 3 closures among the notices.
| Industry | Notices | Workers |
|---|---|---|
| Other | 12 | 402 |
| Agriculture | 1 | 42 |
| Government | 1 | 21 |
| Education | 1 | 0 |
The Other sector emerged as the hardest-hit sector with 402 workers across 12 notices. Separately, Agriculture reported 42 workers.
| County | Notices | Workers |
|---|---|---|
| Howard | 4 | 208 |
| Montgomery | 8 | 182 |
| Anne Arundel | 4 | 114 |
| Baltimore | 3 | 102 |
| Prince Georges | 3 | 68 |
Howard saw the most concentrated activity, accounting for 31% of all affected workers with 208 workers across 4 notices.
| City | Notices | Workers |
|---|---|---|
| Columbia | 2 | 124 |
| Gaithersburg | 4 | 98 |
| Elkridge | 2 | 84 |
| Baltimore | 2 | 74 |
| Rosedale | 1 | 54 |
| Type | Notices | Workers |
|---|---|---|
| Layoff | 9 | 310 |
| Closure | 3 | 92 |
| Temporary Layoff | 1 | 20 |
Closures accounted for 14% of affected workers, while the majority of filings were layoffs rather than permanent shutdowns.
| Company | City | Workers | Type | Date |
|---|---|---|---|---|
| S3 Shared Service Solutions, LLC | Columbia | 107 | Layoff | 2025-09-02 |
| York International Corporation | Baltimore | 54 | Layoff | 2025-09-05 |
| York International Corporation | Rosedale | 54 | 2025-09-05 | |
| Bell Nursery USA, LLC | Elkridge | 42 | Closure | 2025-09-25 |
| Bell Nursery USA, LLC | Elkridge | 42 | 2025-09-25 | |
| Human Biosciences, Inc | Gaithersburg | 30 | Layoff | 2025-09-03 |
| Human Biosciences, Inc | Gaithersburg | 30 | 2025-09-03 | |
| BioLife Plasma Services, LLC | Riverdale | 26 | Closure | 2025-09-02 |
| Aluma Systems Baltimore | Sparrows Point | 24 | Closure | 2025-09-04 |
| Aluma Systems Baltimore | Sparrows Point | 24 | 2025-09-04 | |
| Elme Support Services LLC | Bethesda | 22 | Layoff | 2025-09-08 |
| Elme Support Services LLC | Bethesda | 22 | 2025-09-08 | |
| KIRA Aerospace LLC and KIRA Government Services LLC | Greenbelt | 21 | Layoff | 2025-09-19 |
| KIRA Aerospace LLC and KIRA Government Services LLC | Greenbelt | 21 | 2025-09-19 | |
| Johns Hopkins University, Historic East Baltimore Community Action Coalition (“HEBCAC”) | Baltimore | 20 | Layoff | 2025-09-02 |
Topping the list was S3 Shared Service Solutions, LLC at its Columbia facility, reporting 107 affected workers. York International Corporation followed with 54 workers.
This is the third consecutive month of declining layoff activity.
These figures highlight a mixed picture for Maryland's labor market, with activity diverging between monthly and annual comparisons. The Other sector warrants close attention heading into the next period.
This analysis is based on official WARN Act filings reported by Maryland. The Worker Adjustment and Retraining Notification (WARN) Act requires employers with 100+ employees to provide 60-day advance notice of mass layoffs and plant closings. Data is updated daily by WARN Firehose. View all Maryland WARN notices, browse layoffs by state, or download the full dataset.
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