Ever felt overwhelmed by the number of high voltage transformer manufacturers in the USA? You’re not alone—choosing the right factory can make or break your project, affecting everything from reliability to safety and long-term costs. Finding the best supplier unlocks better performance, faster support, and true peace of mind. Imagine having a trusted partner powering your next big project without the headaches. Curious which US manufacturers stand out?

Read on—you’re about to discover the industry’s top factories and what sets them apart.

10 Leading Power Transformer Manufacturers in the USA (2024)

Product Details:
A range of power and distribution transformers including padmount, pole-mount, substation, dry-type transformers, switchgear, grounding transformers, and medium voltage switchgear. Some companies also offer rentals, repair, equipment recycling, and specialized reconditioning.

Technical Parameters:
– Substation transformers up to 60 MVA (Meta Power Solutions)
– Products designed to IEEE and ANSI standards with expected lifespan over 30
– Support for a variety of voltage and frequency requirements
– Dry-type and oil-filled transformer options

Application Scenarios:
– Utilities and electrical infrastructure modernization
– Renewable energy projects (solar, bitcoin mining)
– Oil and gas, mining, and industrial manufacturing facilities
– Commercial building power supply

Pros:
– Wide range of specialized transformer types to suit diverse industries
– Emphasis on sustainability through recycling and eco-friendly practices
– Options for fast response, 24/7 service, and quick nationwide delivery
– Long product life expectancy and compliance with established industry standards

Cons:
– Limited visibility into detailed technical specifications for every product line
– Some manufacturers may focus on specific industries, reducing applicability for

9 High Voltage Transformer Manufacturers in 2025 – Metoree

Product Details:
High voltage transformers designed for efficient voltage conversion, insulation, and compact sizes, suitable for industrial and commercial applications.

Technical Parameters:
– Voltage ratings ranging from several kilovolts (kV) to hundreds of kilovolts
– Insulation types include oil-immersed, gas-insulated, and dry-type designs
– Customizable for specific input and output voltage requirements
– Available in various sizes and configurations

Application Scenarios:
– Power transmission and distribution systems
– Industrial equipment requiring high voltage supply
– Medical imaging devices such as X-ray or MRI machines
– Research laboratories and testing facilities

Pros:
– Efficient voltage conversion with low energy loss
– High level of insulation ensuring safety and reliability
– Customizable to meet diverse application requirements
– Compact designs minimizing installation space

Cons:
– Higher initial investment compared to low-voltage transformers
– Requires specialized maintenance and handling

Top Transformers Manufacturers and Suppliers in the USA and … – Linquip

Product Details:
Transformers of various types (step-up, step-down, power, distribution, control, isolation, toroidal, audio, surface mount, three-phase, autotransformer, etc.) are offered with options for standard and custom designs. Companies also provide related products and services, including automation systems, generators, inductors, power conditioners, UPS backup, surge suppression systems, circuit breakers, rentals, testing, and repairs.

Technical Parameters:
– Voltage transformation (step-up and step-down transformers)
– Types offered: oil-filled, dry-type, water-cooled, toroidal, low-profile, high
– Features available: thermal shock resistance, electrostatic shielding, magnetic

Application Scenarios:
– Electricity distribution from power plants to cities, industries, homes, and
– Industrial, automotive, consumer electronics, military, aerospace, medical, and
– Power conditioning, backup protection, and surge suppression in critical

Pros:
– Diverse range of transformer types and customization options
– Wide set of additional services including prototyping, rentals, repairs, and
– Industries served include power, industrial, commercial, medical, and military

Cons:
– Technical and performance details (such as efficiency, ratings, and capacities)
– Some companies only offer distribution and not manufacturing, limiting product

Transformer Suppliers and Manufacturers – A Thomas Industry Overview

Product Details:
Custom and standard transformers, inductors, and magnetic components (including buck boost, isolation, toroidal, miniaturized, and audio transformers); power supplies; magnetic assemblies; UL-listed and CSA-certified products; vacuum impregnation and encapsulation services.

Technical Parameters:
– UL and CSA certifications for select products
– RoHS compliance for certain designs
– ISO 9001:2015 certified manufacturing (Triad Magnetics)
– Capabilities for MIL-spec and miniaturized transformer production

Application Scenarios:
– Automotive and transportation systems
– Medical electronics including imaging and equipment
– Aerospace and defense sectors
– OEM electronics, power transmission and distribution, consumer electronics, and

Pros:
– Custom design and manufacturing for specific industry needs
– Wide variety of transformer types and services offered (including molding,
– Certifications and compliance with industry standards (UL, CSA, ISO 9001:2015,
– Long history of innovation and support for major technology developments (e.g.,

Cons:
– Certain companies have a smaller scale of operations (e.g., limited number of
– No detailed technical performance specs (such as voltages, capacitance, etc.)

WEG Transformers USA: Transforming Energy Into Solutions

Product Details:
WEG Transformers USA manufactures distribution and power transformers, including solutions for utility, industrial, and renewable applications. Their offerings include three-phase, liquid-filled distribution transformers (Padmount Units, Renewable Padmount Units, Secondary Units) and power transformers (Padmount Units, Substation Units), with a focus on products rated for North American requirements.

Technical Parameters:
– Distribution Transformers: three-phase, liquid-filled, max top rating of 10 MVA
– Power Transformers: three-phase, liquid-filled, top rating of 350 MVA (in North
– Specialization in utility, industrial, and renewable sector transformer
– Manufacturing locations: Washington, MO (USA), Huehuetoca (Mexico)

Application Scenarios:
– Utility power distribution in large cities and rural areas
– Industrial power transformation needs
– Renewable energy projects such as large wind and solar farms

Pros:
– Decades of experience manufacturing transformers for North American markets
– US-based production facilities enable response to regional demands
– Certified quality (FM, ISO 9001, UL) and adherence to relevant technical
– Active investment in improved technology and expanded manufacturing capacity to

Cons:
– Distribution transformer top rating limited to 10 MVA may not suit all
– Power transformer US facility capped at 161kV/100 MVA, potentially limiting

Top Transformer Manufacturers in United States – ensun.io

High Voltage Transformer Manufacturers | IQS Directory

Product Details:
High voltage transformers are specialized devices designed to change voltage levels in high voltage contexts, capable of handling electrical energy ranging from 600 to 5,000 volts, with custom voltage options also available. They are used to step up or step down voltage for efficient transmission and for precise metering, protection, and distribution of electricity.

Technical Parameters:
– Voltage handling range: 600 to 5,000 volts (custom options available)
– Specialized core geometry, winding techniques, and insulation methods
– Precise voltage ratio for accurate stepping up/down
– Designed with consideration for volts/turn ratings, insulating material

Application Scenarios:
– Metering and protective relaying in high-voltage circuits
– Electrostatic industrial and scientific applications
– Distribution of electricity from power plants to high-voltage transmission
– Feeding electricity from transmission systems to low voltage transformers for

Pros:
– Ability to handle and transform high voltage levels efficiently
– Accurate voltage ratio ensures precise measurement and control
– Customized options available for specific voltage requirements
– High insulation and specialized design for safety and performance

Cons:
– Requires complex design and specialized materials for insulation and core
– Handling high voltage and frequency presents engineering challenges

High Voltage Transformers Suppliers & Manufacturers – Energy XPRT

Top 10 Power Transformers Manufacturers in the USA

Product Details:
Jiangsu First Power Co., Ltd. offers a variety of power transformers including oil immersed transformers, dry type transformers, pad mounted transformers, compact substations, isolation transformers, and AVR/voltage stabilizers.

Application Scenarios:
– Power distribution grids
– Industrial facilities
– Commercial substations
– Electrical isolation and voltage stabilization applications

Pros:
– Diverse range of transformer types for different needs
– Options for oil-immersed and dry type solutions
– Availability of compact and pad-mounted designs for space-saving installations
– Inclusion of voltage stabilizers and isolation transformers for specialized

Transformer Manufacturing Company | ELSCO Transformers

Product Details:
ELSCO manufactures high-quality medium-voltage dry type and oil-filled padmount transformers, specializing in emergency replacements and rapid shipping for 500-2500 KVA transformers with a focus on durability, safety, and efficiency.

Technical Parameters:
– Medium-voltage ratings: 500 – 2,500 KVA
– Primary voltage options: 2,400 – 34,500 volts (commonly 2,400, 4,160, 12,470,
– Dry type transformers feature laminated steel cores, 100% copper windings, and
– Padmount transformers are oil-filled and liquid-cooled, with tamper-proof,

Application Scenarios:
– Manufacturing, continuous process, and automation facilities
– Universities, colleges, hospitals, and medical centers
– Public spaces including shopping malls and restaurants (padmount transformers)
– Utilities, correctional facilities, electrical contractors, and supply houses

Pros:
– Rapid emergency response and most units in stock for same or next day shipment
– Expected useful life of 30+ years, low maintenance, and 5-year warranty on dry
– Lower fire risk with dry type transformers (no flammable coolant),
– Custom retrofit and ‘plug and play’ solutions available

Cons:
– Dry type transformers typically require installation in locked enclosures for
– Padmount transformers use oil cooling, which may not be suitable for certain

Comparison Table

Frequently Asked Questions (FAQs)

How do I identify reputable high voltage transformer manufacturers in the USA?
Start by looking for manufacturers with UL, IEEE, or ANSI certifications, positive client reviews, and a long-standing history in the industry. Visiting their websites and asking for references can also help establish their credibility.

What should I consider when comparing different manufacturers?
Compare their technical capabilities, custom design options, lead times, after-sales support, and warranty policies. Also, consider their experience with projects similar to yours and their ability to meet your specific voltage and capacity requirements.

Is it important for a manufacturer to offer custom transformer solutions?
Yes, because high voltage applications often require tailored solutions. A manufacturer that offers customization ensures the transformer fits your exact specifications and operating conditions, improving efficiency and longevity.

How do I evaluate the quality control processes of a manufacturer?
Ask about their quality assurance certifications, testing procedures, and inspection reports. Reputable manufacturers will be transparent about their quality standards and may allow you to tour their facilities or review third-party test results.

What is the typical lead time for orders from USA transformer factories?
Lead times can vary depending on order complexity and manufacturer workload. Typically, expect 6–16 weeks for high voltage custom transformers. Always confirm the timeframe at the quoting stage to ensure their schedule matches your needs.