OpenERISA

Oak Brook Allergists, S.C.

Elmhurst, IL, 60126

EIN 36-2667448
Plans
1
Total participants
104
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
621111

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500-SF001Oak Brook Allergists, S.C. Employees' Retirement Plan & Trust26
2023Form 5500-SF001Oak Brook Allergists, S.C. Employees' Retirement Plan & Trust21
2022Form 5500-SF001Oak Brook Allergists, S.C. Employees' Retirement Plan & Trust21
2021Form 5500-SF001Oak Brook Allergists, S.C. Employees' Retirement Plan & Trust16
2020Form 5500-SF001Oak Brook Allergists, S.C. Employees' Retirement Plan & Trust20

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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