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Thompson Waterproofing, INC.

Quincy, MA, 02169

EIN 04-3119952
Plans
1
Total participants
72
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
238100

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500-SF001Thompson Waterproofing, INC. 401(K) Retirement Plan2
2024Form 5500-SF001Thompson Waterproofing, INC. 401(K) Retirement Plan0
2023Form 5500-SF001Thompson Waterproofing, INC. 401(K) Retirement Plan11
2022Form 5500-SF001Thompson Waterproofing, INC. 401(K) Retirement Plan29
2021Form 5500-SF001Thompson Waterproofing, INC. 401(K) Retirement Plan13
2020Form 5500-SF001Thompson Waterproofing, INC. 401(K) Retirement Plan17

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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