About ALTER TECHNOLOGY US
ALTER TECHNOLOGY US is part of the TÜV NORD GROUP providing comprehensive test, qualification, and reliability services for high-performance electronics in the United States, with ITAR compliance and US-domestic sourcing.
Markets
served
Space
Aerospace
Defense
Automotive
Industrial
Medical
Nuclear
Our values
Customer
focus
Technical
rigor
Data
transparency
On-time
delivery
Our history
ALTER TECHNOLOGY US, Inc. (ALTER US) began operations at the new Plymouth location on October 1, 2025 and officially inaugurated the new facility on 18 November 2025. The new cutting-edge 14,000 sq ft semiconductor testing facility includes a 4,000 sq ft class 10,000 clean room and is equipped with state-of-the-art testing equipment that meets the highest industry standards. ALTER US aims to position itself as the leading US Outsourced Semiconductor Assembly and Test (OSAT) provider with end-to-end solutions for mission-critical applications.