Trio Engineering ("Trio") is a global provider of electronics manufacturing services with a focus on specialized industrial electronics products and solutions. Trio was established in 1983.

Trio's corporate mission is "Powering the eWorld". For a variety of sectors, we offer advanced engineering and contract manufacturing services. Our customers have come to rely on us as a trustworthy partner for tackling high-complexity and advanced PCB assemblies as well as turn-key system assembly solutions thanks to our professional team's stellar track record and reputation. We specialize in the production of smart vending machines, self-service kiosks, industrial battery chargers, inverters, filters, and transformers/magnetics for industrial applications.

Trio has earned a reputation as an excellent partner for low- to medium-volume manufacturing thanks to our sites in Europe and Asia.