- Onsemi specializes in semiconductor solutions, focusing on automotive, industrial, and AI data center markets, with a reported revenue of $6 billion in 2025.
- In the past year, Onsemi expanded its portfolio with new silicon carbide JFET products and completed acquisitions totaling over $262 million, including SiC JFET technology and VCore power technology rights.
- The company has established strategic partnerships, including collaborations with FORVIA HELLA for next-generation power technology and GlobalFoundries for GaN power devices.
- Onsemi's ideal buyers are companies in the automotive and industrial sectors seeking high-efficiency power solutions, particularly as they transition to electric and AI-driven technologies, making them a key player to watch in the semiconductor industry.
Engineering is the largest function at onsemi with 1,796 employees—just over 44 % of total headcount—highlighting the company’s research- and design-centric culture. Operations follows at 567 employees, supporting manufacturing and supply-chain efficiency. Business Management, Marketing & Product, and Finance & Administration each employ between 280 and 315 people, providing balance between technical and commercial capabilities. Additional teams in Sales & Support, IT, HR, and Quality round out the organization, none exceeding 7 % of total staff, while an “Other” category of 180 employees covers specialized roles.
Headquarters activity is spread across multiple U.S. technology hubs. Approximately 564 employees work in Phoenix, Arizona, the single largest named location. The company also maintains notable presences in Pocatello, Idaho (266 employees) and several Arizona cities including Chandler, Tempe, and Mesa. Smaller offices are located in San Jose, California; Gresham, Oregon; Boise, Idaho; and Portland, Oregon. A collective “Other” bucket of 2,677 employees indicates a broad footprint that includes additional domestic sites and extensive international facilities.
