OpenERISA

Membrane System Specialists, INC.

Wisconsin Rapids, WI, 54494

EIN 20-5376661
Plans
1
Total participants
65
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
339900

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500-SF001Membrane System Specialists, INC. 401(K) Profit Sharing Plan20
2023Form 5500-SF001Membrane System Specialists, INC. 401(K) Profit Sharing Plan12
2022Form 5500-SF001Membrane System Specialists, INC. 401(K) Profit Sharing Plan10
2021Form 5500-SF001Membrane System Specialists, INC. 401(K) Profit Sharing Plan11
2020Form 5500-SF001Membrane System Specialists, INC. 401(K) Profit Sharing Plan12

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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