Trio is a TOP100 EMS/ODM providing its service to a wide range of industries.

Trio is an established EMS/ODM providing its service to a wide range of industries. Our state-of-the-art production facilities in Europe, Thailand, China, and US (2025) offer quick-turn prototyping and efficient manufacturing of both advanced PCB assemblies and complex turn-key systems. Since our founding in 1983, our customers have trusted us to manufacture millions of products and systems, including a wide range of power supply units for industrial and medical applications, industrial battery chargers, inverters and winding products, smart vending machines, and more. We offer comprehensive support across the entire process from NPI over mass production to end-of-life management, including in securing certifications, enhancing supply chain and production traceability, and embedding design-to-manufacturing driven excellence.