OpenERISA

Copper Mill Management LLC

Boston, MA, 02110

EIN 93-3850776
Plans
1
Total participants
9
Filing years
2024
NAICS
531390

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500-SF001Copper Mill Management 401(K) Plan9

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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