821 W Bluff Rd Romeoville, IL 60446-4007, Illinois
97 workers · Closure · filed Aug 25, 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
- MAT HOLDINGS INC.
- Workers
- 97 workers
- Kind
- Closure
- Notice date
- Aug 25, 2026
- Location
- 821 W Bluff Rd Romeoville, IL 60446-4007
- State
- Illinois
- Notice
- il-9bc033dc61b2e5be
As published
- Location Name
- MAT HOLDINGS INC.
- Doing Business As Name
- GRI Engineering
- Location Address
- 821 W Bluff Rd
- Location City
- Romeoville
- Location State
- IL
- Location Zipcode
- 60446-4007
- County
- Will County
- LWIA #
- 10
- LWIA
- 10 - Workforce Services Division of Will County
- Layoff Type
- State
- WARN Notice
- True
- Trade
- No
- Causes
- Restructuring
- Reason
- Plant Closure
- Status
- Active
- Report Source
- Company Notification
- Industry
- Management of Companies and Enterprises
- NAICS Codes
- 551114 - Corporate, Subsidiary, and Regional Managing Offices
- IEBS Id
- 20260826001
- Approximate Total # of Full-Time Employees
- 97
- Expected Layoff
- 97
- Revised Layoff
- 97
- Initial Date Reported
- 2026-08-25 00:00:00
- Last Report Date
- 2026-08-25 00:00:00
- Notification Date(s)
- 8/25/2026
- Unions Involved
- False
- Has public layoff assistance web page
- Yes
From the Illinois Department of Commerce and Economic Opportunity's WARN list, row 354, read Oct 3, 2026; first seen here Oct 3, 2026. Read with Big Local News's warn-scraper and warn-transformer.