OpenERISA

Subterranean Boring, INC.

Golden, CO, 80403

EIN 84-0909053
Plans
1
Total participants
104
Filing years
2024, 2025, 2023, 2022, 2021, 2020
NAICS
238900

Benefit plans on file

YearFormPlan #Plan nameParticipants
2025Form 5500-SF001Subterranean Boring, INC. 401(K) Plan25
2024Form 5500-SF001Subterranean Boring, INC. 401(K) Plan24
2023Form 5500-SF001Subterranean Boring, INC. 401(K) Plan19
2022Form 5500-SF001Subterranean Boring, INC. 401(K) Plan13
2021Form 5500-SF001Stu Blattner, INC. 401(K) Plan13
2020Form 5500-SF001Stu Blattner, INC. 401(K) 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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