OpenERISA

Diamond Materials LLC

Newport, DE, 19804

EIN 51-0373659
Plans
4
Total participants
5,278
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
237310
Plan sponsors in DelawareConstruction

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Diamond Materials 401(K) Plan319
2024Form 5500501Diamond Materials Medical Plan228
2024Form 5500502Diamond Materials Dental Plan229
2024Form 5500503Diamond Materials Life & Disability Plan350
2023Form 5500001Diamond Materials 401(K) Plan282
2023Form 5500501Diamond Materials Medical Plan224
2023Form 5500502Diamond Materials Dental Plan314
2023Form 5500503Diamond Materials Life & Disability Plan350
2022Form 5500001Diamond Materials 401(K) Plan164
2022Form 5500501Diamond Materials Medical Plan252
2022Form 5500502Diamond Materials Dental Plan226
2022Form 5500503Diamond Materials Life & Disability Plan350
2021Form 5500001Diamond Materials, LLC 401K Plan271
2021Form 5500501Diamond Materials Medical Plan241
2021Form 5500502Diamond Materials Dental Plan241
2021Form 5500503Diamond Materials Life & Disability Plan350
2020Form 5500001Diamond Materials, LLC 401K Plan239
2020Form 5500501Diamond Materials Medical Plan216
2020Form 5500502Diamond Materials Dental Plan216
2020Form 5500503Diamond Materials Life & Disability Plan216

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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