OpenERISA

J.W. Mattek & Sons, INC.

Deerbrook, WI, 54424

EIN 39-0943259
Plans
1
Total participants
151
Filing years
2024, 2025, 2023, 2022, 2021, 2020
NAICS
115110
Plan sponsors in WisconsinAgriculture, Forestry, Fishing & Hunting

Benefit plans on file

YearFormPlan #Plan nameParticipants
2025Form 5500-SF001J.W. Mattek & Sons, INC. 401(K) Plan24
2024Form 5500-SF001J.W. Mattek & Sons, INC. 401(K) Plan26
2023Form 5500-SF001J.W. Mattek & Sons, INC. 401(K) Plan26
2022Form 5500-SF001J.W. Mattek & Sons, INC. 401(K) Plan25
2021Form 5500-SF001J.W. Mattek & Sons, INC. 401(K) Plan27
2020Form 5500-SF001J.W. Mattek & Sons, INC. 401(K) Plan23

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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