EntityWire/Massachusetts business entity search →/MKS INSTRUMENTS, INC.
Employer with a benefit plan
MKS INSTRUMENTS, INC.
The Employer Identification Number (EIN) for MKS INSTRUMENTS, INC. is 04-2277512.
At a glance
- EIN
- 04-2277512 · 042277512
- Legal name
- MKS INSTRUMENTS, INC.
- Also filed as
- MKS INC; MKS TOPCO INC.
- Address on file
- 2 TECH DRIVE, SUITE 201, ANDOVER, MA 01810
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-05
State registration
Florida Division of Corporations (Sunbiz) bulk data · 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
- 0005073106
- Source: Texas Comptroller · as of 2026-09-05
- Florida registration
- Inactive · Foreign profit corporation
- Source: Florida registry · as of 2026-07-10
- Florida document number
- P23678
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 1989-03-31
- Source: Florida registry · as of 2026-07-10
- Last registry activity
- 1998-10-14
- Source: Florida registry · as of 2026-07-10
- Florida registration
- Active · Foreign profit corporation
- Source: Florida registry · as of 2026-07-10
- Florida document number
- F00000001005
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 2000-02-24
- Source: Florida registry · as of 2026-07-10
SEC records
SEC EDGAR company filings · records as of 2026-09-03
- SEC CIK
- 0001049502
- Source: SEC · as of 2026-09-03
- Industry (SIC)
- Industrial Instruments For Measurement, Display, and Control (3823)
- Source: SEC · as of 2026-09-03
- State of incorporation
- MA
- Source: SEC · as of 2026-09-03
- Ticker
- MKSI
- Source: SEC · as of 2026-09-03
- Latest SEC filing
- SCHEDULE 13G/A 2026-09-03
- Source: SEC · as of 2026-09-03
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data, 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 Secretary of the Commonwealth, Corporations Division; see the Massachusetts 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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- TERADYNE, INC.EIN 04-2272148
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