OpenERISA

Cornerstone Mechanical INC.

Santa Fe Springs, CA, 90670

EIN 82-3809739
Plans
2
Total participants
38
Filing years
2024, 2023
NAICS
238220
Plan sponsors in CaliforniaConstruction

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500-SF001Cornerstone Mechanical INC. 401(K) Plan10
2024Form 5500-SF002Cornerstone Mechanical INC. Cash Balance Plan10
2023Form 5500-SF001Cornerstone Mechanical INC. 401(K) Plan8
2023Form 5500-SF002Cornerstone Mechanical INC. Cash Balance Plan10

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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