OpenERISA

Hydro-Thermal Corporation

Waukesha, WI, 53188

EIN 39-1038854
Plans
1
Total participants
394
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
333200

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500-SF001Hydro-Thermal Corporation 401(K) Savings Plan81
2023Form 5500-SF001Hydro-Thermal Corporation 401(K) Savings Plan76
2022Form 5500-SF001Hydro-Thermal Corporation 401(K) Savings Plan78
2021Form 5500-SF001Hydro-Thermal Corporation 401(K) Savings Plan74
2020Form 5500-SF001Hydro-Thermal Corporation 401(K) Savings Plan85

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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