The Cutting Edge of Transformer & Switchgear Technology
More Than a Manufacturer Looking For TransformersSearching For Switchgear?Power

What We Do
As a premier supplier of medium voltage transformers around the world , we offer VPI Transformers and Medium Voltage Switchgear products, all manufactured to the same high-quality standards our customers have come to expect.
Manufacturing of Transformers
We manufacture medium voltage transformers (1kV-35 kV) used in large infrastructure projects for commercial & industrial real estate development, municipal projects such as airports and subway systems, as well as factories & processing plants.
Unit Substations
Engineered to your unique specifications, delivery needs and expected quality.
Sheet Manufacturing
Our facility is vertically integrated, ensuring product quality while reducing lead time. Sheet metal capabilities include punching, forming, bending and powder coating in ANSI 61 color that lasts up to 1000 hours of salt spray. In-house design and manufacturing enable custom solutions for your project needs.
Breaker Manufacturing
We manufacture and test our circuit breakers fully in house. Magnetic actuators are designed, assembled, and tested by our team. Manufacturing our breakers and switchgear frames in the same facility allows for streamlined breaker and final production testing.
Manufacturing Excellecnce With Quality At Its Best
We are customer-focused, solutions innovator on the forefront of transformer and medium voltage switchgear technology.
Each year we make substantial investments in the research and development of new products and manufacturing techniques, and we continually strive to improve our products with higher efficiencies and lower costs.
We pride ourselves in our ability to move quickly as we work in collaboration with our customers to find solutions to their specific challenges.

JST

Our Products
Dry Type Transformers
Medium Voltage Switchgear
MV Unit Substations
Industry Leading
Hover to see JST Lead Times*
*All Lead Times are after Drawing Approvals
Cast Coil Transformer
VPI Transformer
AIS Switchgear
GIS Switchgear
Unit Substation
Reliable