Is Teradyne, Inc an American company?
Yes — Teradyne, Inc is an American company.
Teradyne, Inc is incorporated in Massachusetts, United States and headquartered in North Reading, Massachusetts. Its legal-entity record reports no foreign parent — the company is independently American-owned.
The evidence
- Legal name
- TERADYNE, INC
- Incorporated in
- Massachusetts, United States
- Registered office
- CANTON, the United States
- Headquarters
- North Reading, Massachusetts, United States
- Ultimate owner
- None reported (independent)
- Stock listing
- NASDAQ: TER on NASDAQ
- LEI
- C3X4YJ278QNZHRJULN75
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.
Teradyne, Inc: origin questions
Is Teradyne, Inc an American company?
Yes — Teradyne, Inc is an American company. Teradyne, Inc is incorporated in Massachusetts, United States and headquartered in North Reading, Massachusetts. Its legal-entity record reports no foreign parent — the company is independently American-owned.
Where is Teradyne, Inc incorporated?
Teradyne, Inc is legally incorporated in Massachusetts, United States, according to its GLEIF legal-entity record.
Who owns Teradyne, Inc?
Teradyne, Inc reports no parent company in its legal-entity record — it is independently owned rather than a subsidiary.
Is Teradyne, Inc traded on a US stock exchange?
Yes — Teradyne, Inc trades under the ticker TER on the NASDAQ.
See the full Teradyne, Inc company profile — financials, stock data and trust credentials — or browse the directory of American companies.