21500 Gateway Dr. Matteson, IL 60443, Illinois
160 workers ยท filed May 19, 2026
A WARN notice is filed with the state before a plant closing or a mass layoff, under the federal WARN Act or a state law like it. Workers is the number the employer said would be affected; plans can change after filing. Data sources
- Company
- MDMartin LLC
- Workers
- 160 workers
- Notice date
- May 19, 2026
- Location
- 21500 Gateway Dr. Matteson, IL 60443
- State
- Illinois
- Notice
- il-eae5f1c9bcd8980e
As published
- Location Name
- MDMartin LLC
- Location Address
- 21500 Gateway Dr.
- Location City
- Matteson
- Location State
- IL
- Location Zipcode
- 60443
- County
- Cook County
- LWIA #
- 7
- LWIA
- 7 - Chicago Cook Workforce Partnership
- Layoff Type
- State
- WARN Notice
- True
- Trade
- No
- Causes
- Lost Contract
- Reason
- Mass Layoff
- Status
- Active
- Report Source
- Company Notification
- Industry
- Administrative, Support, Waste Management, and Remediation Services
- NAICS Codes
- 561311 - Employment Placement Agencies
- IEBS Id
- 20260602005
- Approximate Total # of Full-Time Employees
- 160
- Expected Layoff
- 160
- Revised Layoff
- 160
- Initial Date Reported
- 2026-05-19 00:00:00
- Last Report Date
- 2026-05-19 00:00:00
- Notification Date(s)
- 5/19/2026
- Unions Involved
- False
- Has public layoff assistance web page
- Yes
From the Illinois Department of Commerce and Economic Opportunity's WARN list, row 328, read Oct 3, 2026; first seen here Oct 3, 2026. Read with Big Local News's warn-scraper and warn-transformer.