EntityWire/Arizona business entity search →/AMKOR TECHNOLOGY, INC.
Employer with a benefit plan
AMKOR TECHNOLOGY, INC.
The Employer Identification Number (EIN) for AMKOR TECHNOLOGY, INC. is 23-1722724.
At a glance
- EIN
- 23-1722724 · 231722724
- Legal name
- AMKOR TECHNOLOGY, INC.
- Address on file
- 2045 E INNOVATION CIRCLE, TEMPE, AZ 85284
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-05
State registration
Texas Comptroller active franchise taxpayers file · records as of 2026-09-05
- Texas registration
- Active · Foreign profit corporation
- Source: Texas Comptroller · as of 2026-09-05
- Texas document number
- 0012026806
- Source: Texas Comptroller · as of 2026-09-05
SEC records
SEC EDGAR company filings · records as of 2026-08-19
- SEC CIK
- 0001047127
- Source: SEC · as of 2026-08-19
- Industry (SIC)
- Semiconductors & Related Devices (3674)
- Source: SEC · as of 2026-08-19
- State of incorporation
- DE
- Source: SEC · as of 2026-08-19
- Ticker
- AMKR
- Source: SEC · as of 2026-08-19
- Latest SEC filing
- 4 2026-08-19
- Source: SEC · as of 2026-08-19
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-09-18
- Benefit plan 1, 2024 filing
- AMKOR TECHNOLOGY, INC. 401(K) PLAN
- Source: DOL 5500 · as of 2025-09-18
- Participants (start of year)
- 650
- Source: DOL 5500 · as of 2025-09-18
- 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 2025-09-18
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2025-09-18
- Business code (NAICS)
- 339900
- Source: DOL 5500 · as of 2025-09-18
- Benefit plan 501, 2024 filing
- AMKOR TECHNOLOGY, INC. HEALTH & WELFARE PLAN
- Source: DOL 5500 · as of 2025-05-14
- Participants (start of year)
- 375
- Source: DOL 5500 · as of 2025-05-14
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), SEC EDGAR company filings and Texas Comptroller active franchise taxpayers file), 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 Arizona Corporation Commission, Corporations Division; see the Arizona 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.
Other Arizona businesses on file
- CRAFCO, INC.EIN 86-0324978
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- THE JOINT CORP.EIN 90-0544160
- KAHALA BRANDS, INC.EIN 59-3474394
- AMTECH SYSTEMS, INC.EIN 86-0411215
- CREXENDO INCEIN 87-0591719
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