Is Entegris Inc an American company?
Yes — Entegris Inc is an American company.
Entegris Inc is incorporated in Delaware, United States and headquartered in Billerica, Massachusetts. Its legal-entity record reports no foreign parent — the company is independently American-owned.
The evidence
- Legal name
- ENTEGRIS INC
- Incorporated in
- Delaware, United States
- Registered office
- WILMINGTON, the United States
- Headquarters
- Billerica, Massachusetts, United States
- Ultimate owner
- None reported (independent)
- Stock listing
- NASDAQ: ENTG on NASDAQ
- LEI
- IYX6OWO7BT5DKO3BYG52
Source: GLEIF, the global Legal Entity Identifier registry · checked Jul 26, 2026. A US headquarters or stock listing does not always mean US incorporation — this page reports what the legal-entity registry actually records.
Entegris Inc: origin questions
Is Entegris Inc an American company?
Yes — Entegris Inc is an American company. Entegris Inc is incorporated in Delaware, United States and headquartered in Billerica, Massachusetts. Its legal-entity record reports no foreign parent — the company is independently American-owned.
Where is Entegris Inc incorporated?
Entegris Inc is legally incorporated in Delaware, United States, according to its GLEIF legal-entity record.
Who owns Entegris Inc?
Entegris Inc reports no parent company in its legal-entity record — it is independently owned rather than a subsidiary.
Is Entegris Inc traded on a US stock exchange?
Yes — Entegris Inc trades under the ticker ENTG on the NASDAQ.
See the full Entegris Inc company profile — financials, stock data and trust credentials — or browse the directory of American companies.