OpenERISA

Terraphase Engineering

Oakland, CA, 94612

EIN 27-3543127
Plans
2
Total participants
1,070
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
541330
Plan sponsors in CaliforniaProfessional, Scientific & Technical Services

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Terraphase Engineering 401(K) Plan160
2024Form 5500501Terraphase Engineering, INC. Health And Welfare Plan155
2023Form 5500001Terraphase Engineering 401(K) Plan156
2023Form 5500501Terraphase Engineering, INC. Health And Welfare Plan153
2022Form 5500001Terraphase Engineering 401(K) Plan121
2022Form 5500501Terraphase Engineering, INC. Health And Welfare Plan112
2021Form 5500-SF001Terraphase Engineering 401K Plan112
2020Form 5500-SF001Terraphase Engineering 401K Plan101

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.

Other plan sponsors in California

All California plan sponsors →