Who are we?

Dedicated to the transformation of electrical energy for more than 60 years, JST transformateurs is proud to count among its worldwide customers the biggest names of electricity generation, transmission and distribution, railway transportation, as well as those of industrial sectors having the heaviest energy needs.

Based in Lyon, France, where the transformers are designed, JST‘s activity consists of 3 different sectors: Power, Traction, Services.

Due to JST‘s stellar record, strict quality requirements, excellent communication with customers and partners, and constantly renewed certifications, JST is considered a leader in the transformer industry with an undisputed reputation.

During the last decade, JST transformateurs has grown around the France based head office and main production site as a solid group, dedicated to our customers.