OpenERISA

Viscosity Oil Company

Willowbrook, IL, 60527

EIN 36-4409441
Plans
1
Total participants
157
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
424700

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Viscosity Oil 401(K) Plan22
2023Form 5500001Viscosity Oil 401(K) Plan26
2022Form 5500001Viscosity Oil 401(K) Plan32
2021Form 5500001Viscosity Oil 401(K) Plan35
2020Form 5500001Viscosity Oil 401(K) Plan42

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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