Mattek Corporation
Ashland, MA, 01721
- Plans
- 1
- Total participants
- 199
- Filing years
- 2022, 2021, 2020
- NAICS
- 541700
Benefit plans on file
| Year | Form | Plan # | Plan name | Participants |
|---|---|---|---|---|
| 2022 | Form 5500 | 001 | Mattek Corporation 401(K) Plan | 67 |
| 2021 | Form 5500 | 001 | Mattek Corporation 401(K) Plan | 64 |
| 2020 | Form 5500 | 001 | Mattek Corporation 401(K) Plan | 68 |
Data shown as filed with the U.S. Department of Labor (EBSA), filing years 2020–2025; not validated by OpenERISA. View official filings for this EIN on the DOL EFAST2 search.
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