OpenERISA

Aos, INC.

Chicago, IL, 60606

EIN 36-4535546
Plans
1
Total participants
128
Filing years
2024, 2025, 2023, 2022, 2021, 2020
NAICS
523120

Benefit plans on file

YearFormPlan #Plan nameParticipants
2025Form 5500-SF002Aos 401(K) Plan29
2024Form 5500-SF002Aos 401(K) Plan21
2023Form 5500-SF002Aos 401(K) Plan22
2022Form 5500-SF002Aos 401(K) Plan19
2021Form 5500-SF002Aos 401(K) Plan20
2020Form 5500-SF002Aos 401(K) Plan17

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.

Other plan sponsors in Illinois

All Illinois plan sponsors →