OpenERISA

Cornerstone Construction Services, LLC

Woburn, MA, 01801

EIN 26-0180046
Plans
1
Total participants
66
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
238900

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001The Cornerstone Retirement Plan13
2023Form 5500-SF001The Contractors Retirement Plan11
2022Form 5500-SF001The Contractors Retirement Plan11
2021Form 5500-SF001The Contractors Retirement Plan13
2020Form 5500-SF001The Contractors Retirement Plan18

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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