EntityWire/Oregon business entity search →/ESS TECH, INC
Employer with a benefit plan
ESS TECH, INC
ESS TECH, INC's Employer Identification Number (EIN) is 98-1550150.
At a glance
- EIN
- 98-1550150 · 981550150
- Legal name
- ESS TECH, INC
- Also filed as
- ACON S2 Acquisition Corp.
- Address on file
- 26440 SW PARKWAY AVE, WILSONVILLE, OR 97070
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-03
State registration
Florida Division of Corporations (Sunbiz) bulk data · records as of 2026-07-10
- Florida registration
- Active · Foreign profit corporation
- Source: Florida registry · as of 2026-07-10
- Florida document number
- F24000002782
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 2024-05-02
- Source: Florida registry · as of 2026-07-10
- Registered agent
- NRAI SERVICES, INC.
- Source: Florida registry · as of 2026-07-10
SEC records
SEC EDGAR company filings · records as of 2026-09-03
- SEC CIK
- 0001819438
- Source: SEC · as of 2026-09-03
- Industry (SIC)
- Miscellaneous Electrical Machinery, Equipment & Supplies (3690)
- Source: SEC · as of 2026-09-03
- State of incorporation
- DE
- Source: SEC · as of 2026-09-03
- Ticker
- GWH, GWHWW
- Source: SEC · as of 2026-09-03
- Latest SEC filing
- 8-K 2026-09-03
- Source: SEC · as of 2026-09-03
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-10-13
- Benefit plan 1, 2024 filing
- ESS TECH 401(K) PLAN
- Source: DOL 5500 · as of 2025-10-13
- Participants (start of year)
- 307
- Source: DOL 5500 · as of 2025-10-13
- Plan features
- Profit-sharing; ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching; Pension plan with defined contribution
- Source: DOL 5500 · as of 2025-10-13
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2025-10-13
- Business code (NAICS)
- 335900
- Source: DOL 5500 · as of 2025-10-13
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data and SEC EDGAR company filings), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Oregon Secretary of State, Corporation Division; see the Oregon business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
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