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Products See Overview

Dry Type Transformers

Cast resin, VPI and specialty transformers

Pad Mount Transformers

Single-phase and 3-phase liquid-filled transformers

Small Power Transformers

Medium voltage power distribution up to 100 MVA

Medium Voltage Switchgear

Gas-insulated and air-insulated switchgear solutions

Outdoor Substation Breaker

Configurable substation circuit breaker technology

Medium Voltage Packaged Unit Substations

Modular prefabricated power distribution system

Battery Energy Storage Systems

Flexible, scalable energy storage solution

Services See Overview

Field Service

After-sales service and support

Industries See Overview

Power Generation

Optimizing efficiency while improving the safety and sustainability of energy production.

Power Transmission

Innovating solutions that power a safe, reliable grid.

Power Distribution

Ensuring more efficient, reliable, and safer power distribution systems.

Solar Distribution

Supporting the development of solar platforms to shape a more sustainable future.

Wind Energy

Innovating wind technology to promote a cleaner, greener planet.

Commercial Buildings & Infrastructure

Meeting the ever-changing needs of global commercial infrastructure.

Data Centers

Designing solutions that power digital infrastructure.

Industrial Facilities

Engineering advanced power solutions that meet the needs of modern factories.

Rail & Transportation Systems

Supporting the electrification of modern transport systems and infrastructure.

About Us See Overview

Our Locations

With 9 manufacturing plants and offices in 3 continents, we are here when and where you need us.

Leadership

Our exceptional team of executives, each a standout in their respective credentials, bringing together diverse expertise, visionary leadership, and innovative thinking.

Sustainability

Minimizing our impact and helping customers do the same.

News & Resources See Overview

News

Stay connected with us and see why we are leaders in the industry.

Product Literature

Check out our literature library.

Events

Join us at these upcoming industry events.

Products See Overview

Dry Type Transformers

Cast resin, VPI and specialty transformers

Pad Mount Transformers

Single-phase and 3-phase liquid-filled transformers

Small Power Transformers

Medium voltage power distribution up to 100 MVA

Medium Voltage Switchgear

Gas-insulated and air-insulated switchgear solutions

Outdoor Substation Breaker

Configurable substation circuit breaker technology

Medium Voltage Packaged Unit Substations

Modular prefabricated power distribution system

Battery Energy Storage Systems

Flexible, scalable energy storage solution

Services See Overview

Field Service

After-sales service and support

Industries See Overview

Power Generation

Optimizing efficiency while improving the safety and sustainability of energy production.

Power Transmission

Innovating solutions that power a safe, reliable grid.

Power Distribution

Ensuring more efficient, reliable, and safer power distribution systems.

Solar Distribution

Supporting the development of solar platforms to shape a more sustainable future.

Wind Energy

Innovating wind technology to promote a cleaner, greener planet.

Commercial Buildings & Infrastructure

Meeting the ever-changing needs of global commercial infrastructure.

Data Centers

Designing solutions that power digital infrastructure.

Industrial Facilities

Engineering advanced power solutions that meet the needs of modern factories.

Rail & Transportation Systems

Supporting the electrification of modern transport systems and infrastructure.

About Us See Overview

Our Locations

With 9 manufacturing plants and offices in 3 continents, we are here when and where you need us.

Leadership

Our exceptional team of executives, each a standout in their respective credentials, bringing together diverse expertise, visionary leadership, and innovative thinking.

Sustainability

Minimizing our impact and helping customers do the same.

News & Resources See Overview

News

Stay connected with us and see why we are leaders in the industry.

Product Literature

Check out our literature library.

Events

Join us at these upcoming industry events.

Our Locations

Inside Our Nogales, Mexico Facilities

Transformer manufacturing

Facility At-A-Glance (Building 1) 

Our manufacturing facility in Nogales, Mexico produces various dry-type transformers, including our cast resin and VPI product lines. Our team specializes in assembly, fabrication, testing, inspection and packaging. The facility opened in 2019 and operates with approximately 80 employees.

Facility Size  60,000 sq. ft. 
Open Since  2019 
Quality Certifications ISO 9001:2015, UL, ETL APQP4Wind 

Facility At-A-Glance (Building 2) 

Building 2 was added to our Nogales campus in 2024 to aid in the winding and drying processes for dry-type transformer manufacturing. The strategic expansion was also leveraged to improve our inventory and process management systems. 

Facility Size  140,000 sq. ft. 
Open Since 2024
Quality Certifications  ISO 9001:2015, UL, ETL APQP4Wind 

Dry-type transformer manufacturing  

Our Nogales facility produces cast resin dry-type transformer and dry-type VPI transformer. Production capacity amounts to 1800 cast-resin units and 500 VPI units annually. Cast resin dry-type transformers range up to 20 MVA and VPI transformers range up to 10 MVA. In the initial stages of the manufacturing process, our teams carry out the cutting, aligning, stacking and painting of the transformers prior to final assembly. 

interior view of JST Nogales manufacturing facility JST Nogales cutting line in manufacturing warehouse team members working on aligning product pieces for final assembly close up of freshly painted transformer frame

Transformer winding process

Our facility is equipped with auto winder machines, which aid in the manufacturing process of our cast resin dry-type transformers. 

Final transformer assembly  

Once all components have been prepped, the final product is assembled.  

team members aiding in the final assembly stages of cast resin transformer close up view of fully assembled cast resin dry type transformer in Nogales, MX facility

Transformer testing, inspection and packaging

Our dry-type transformers are tested to UL, ETL and APQP4Wind standards. After thorough inspection, we custom package our products to ensure the integrity of our products from final assembly to on-site delivery. 

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Address

Office Headquarters

30 Skyline Drive
Lake Mary, FL 32746

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