Ever wondered which electric transformer manufacturer you can truly rely on for top-tier quality and service in the USA? With so many options out there, finding the right supplier can feel overwhelming—and mistakes are costly. The right partner means durable transformers, on-time delivery, and long-term peace of mind for your projects. Ready to cut through the confusion? Dive in as we compare the leading U.S. transformer manufacturers—so you can make your best decision yet!

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10 Leading Power Transformer Manufacturers in the USA (2024)

Product Details:
Range of power transformers including padmount, pole-mount, substation, and dry type transformers, plus associated switchgear. Offerings include new, reconditioned, rented, and repair services, customized for industry needs.

Technical Parameters:
– Substation transformers up to 60 MVA capacity (Meta Power Solutions)
– Products designed to IEEE and ANSI standards, lifespan of over 30 years (Meta
– Custom voltage and frequency options available (Core Transformer)
– Medium voltage switchgear included in some offerings

Application Scenarios:
– Utilities and power distribution networks
– Industrial and manufacturing sectors
– Oil and gas industry
– Renewable energy projects (e.g., solar power and bitcoin mining)

Pros:
– Eco-friendly approach with recycling and reconditioning (American Transformer
– Fast response and nationwide service coverage
– Comprehensive product and service variety including rentals and repairs
– Customization and adherence to recognized industry standards (IEEE, ANSI)

Cons:
– Limited technical specifications (e.g., voltage ranges, efficiency) provided
– Potentially higher costs for custom or specialty solutions
– Details regarding energy efficiency and specific certifications are lacking

WEG Transformers USA: Transforming Energy Into Solutions

Product Details:
WEG Transformers USA manufactures distribution and power transformers, including padmount, renewable padmount, secondary, and substation units. Their products serve utility, industrial, and renewable energy customers across North America from facilities in the US and Mexico.

Technical Parameters:
– Distribution transformers are three-phase, liquid-filled units with a maximum
– Power transformers have a maximum top rating of 350 MVA, with US-based units up
– Power transformer manufacturing facilities are located in Washington, MO, USA

Application Scenarios:
– Power distribution for utility companies in large cities and rural areas.
– Industrial power infrastructure.
– Transformers for large wind and solar farms.

Pros:
– Long-standing manufacturing experience (40+ years).
– Strong focus on improving quality and efficiency.
– Specialization in utility, industrial, and renewable energy markets.
– Certified with FM, ISO 9001, and UL standards.

Cons:
– Current manufacturing capacity may have required expansion to meet high demand
– US-based power transformer factory is limited to 161kV/100 MVA while global

Transformer Suppliers and Manufacturers – A Thomas Industry Overview

Product Details:
Transformers, inductors, and magnetic components are manufactured by leading suppliers for various industries, with options including custom designs, miniaturized versions, standard and MIL-spec solutions, and products compliant with UL, CSA, RoHS, and ISO standards.

Technical Parameters:
– UL-listed, CSA certified, and RoHS-compliant transformers and inductors
– ISO 9001:2015 certification (Triad Magnetics)
– MIL-spec custom solutions (Pico Electronics, Inc.)
– Products include buck boost, isolation, toroidal, audio, power, and wall

Application Scenarios:
– Power distribution and transmission in grids, buildings, and machinery
– Automotive, medical, aerospace, defense, consumer electronics, transportation,
– Audio and musical equipment (e.g., amplifiers)
– Microwave ovens and color TVs

Pros:
– Wide variety of transformer types and custom design options
– Industry certifications ensure safety and compliance
– Experience and innovation in specialized and miniaturized solutions for
– Expanded capabilities such as vacuum impregnation, encapsulation, and offshore

Cons:
– Some product details and performance specifications are not explicitly provided
– Potential limitation for certain applications requiring detailed technical data
– Price and lead time details are not included

United States Transformer Companies – Top Company List

Top Transformer Manufacturers in United States – ensun.io

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

Product Details:
Transformers of various types including step-up, step-down, power, distribution, isolation, autotransformers, toroidal, audio, video, flyback, and custom transformers. Companies also offer related electrical components such as generators, inductors, rectifiers, power supplies, powerline conditioners, surge suppression systems, and uninterruptible power supplies (UPS). Service offerings may include rental, prototyping, customization, reverse engineering, reconditioning, and rebuilding.

Technical Parameters:
– Voltage conversion capabilities (step-up and step-down)
– Variety of transformer designs (oil-filled, dry-type, water-cooled, toroidal,
– Additional features like thermal shock resistance, electrostatic and magnetic
– Available in low, medium, and high power ratings for industrial, commercial,

Application Scenarios:
– Electric power distribution from power plants to cities, industries, homes, and
– Use in automotive, aerospace, consumer electronics, medical, military,
– Data centers, backup power protection, power conditioning, and surge suppression
– Control panels, rectifiers, grounding, pumps, laptops, refrigerators

Pros:
– Wide range of standard and customized transformer types to suit various
– Specialized designs for demanding environments (thermal shock resistance,
– Extensive industry coverage including critical applications like aerospace,
– Additional services such as design support, rental, repair, and refurbishment

Cons:
– Technical details such as efficiency ratings, size, and specific voltage/current
– Some companies focus mainly on distribution rather than manufacturing
– Not all providers appear to serve all industries; some specialize, limiting

Home – MGM Transformers

Product Details:
MGM Transformer Company manufactures a comprehensive range of transformers including medium voltage dry type and oil-filled transformers, low voltage power distribution units, general purpose transformers (stocked and custom), and control power transformers. Their products are made in the USA and are available both as standard stock and customized solutions.

Technical Parameters:
– Dry-type distribution transformers available in single-phase and three-phase,
– Dry Substation (VPI) transformers use vacuum pressure impregnation for enhanced
– Padmount compartmental transformers are oil-filled, tamper-resistant, and
– Control Power Transformers are designed to accommodate momentary current inrush

Application Scenarios:
– Commercial, residential, and industrial power distribution.
– Data centers requiring high-power-density, custom solutions.
– Renewable energy installations and utility grid infrastructure.
– Outdoor environments and locations requiring tamper-proof, robust equipment.

Pros:
– Wide range of both stock and custom transformer solutions to fit specific
– Products are proudly Made in America, supporting quality and supply chain
– State-of-the-art technology including vacuum pressure impregnation (VPI)
– Rush order availability through the Bull Rush program and nationwide stocked

Cons:
– Limited information about specific technical specifications (e.g., power
– Potentially higher cost associated with Made in USA, custom, and advanced
– No mention of remote monitoring or smart features in transformers for modern

99 Power Transformer Manufacturers in 2025 – Metoree

Top 10 Power Transformers Manufacturers in the USA

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

Technical Parameters:
– Oil-immersed transformers and dry type transformers are offered.
– Pad mounted transformers and compact substations are available.
– Isolation transformers and AVR/voltage stabilizers included in the product line.

Application Scenarios:
– Electrical distribution systems
– Industrial and commercial power supply
– Utility substations

Pros:
– Wide variety of transformer types for different needs
– Product range includes equipment for safety (isolation transformers) and

Hammond Power Solutions – Global

Product Details:
Hammond Power Solutions Americas provides a wide range of transformers and power quality products, including control and automation transformers, drive isolation transformers, dV/dT filters, encapsulated control transformers, autotransformers, buck-boost transformers, harmonic mitigating transformers, reactors, sinewave motor protection filters, active and passive harmonic filters, low and medium voltage distribution transformers, smart transformers, solar duty transformers, and EV charging distribution transformers.

Technical Parameters:
– Drive Isolation Transformers available in both Low Efficiency and NRCan 2019
– Medium Voltage Distribution transformers offered up to 35kV class.
– Encapsulated transformers for both commercial and harsh environment
– Smart transformers and specialized solutions for solar and EV charging

Application Scenarios:
– Industrial automation and control systems.
– Power distribution for commercial and harsh environments.
– Renewable energy installations such as solar and EV charging stations.
– Improvement of power quality and harmonic mitigation in electrical

Pros:
– Wide selection of products to address diverse electrical and power quality
– Availability of both current and legacy models for compatibility with existing
– Compliance with NRCan 2019 efficiency standards for energy savings.

Cons:
– Some product lines are labeled as legacy, which may imply limited future
– Technical specifications such as capacities, dimensions, or efficiency ratings

Comparison Table

Frequently Asked Questions (FAQs)

What key factors should I consider when choosing an electric transformer manufacturer in the USA?
Look for manufacturers with a strong reputation, industry certifications (like ISO 9001), proven experience, and the ability to meet your specific technical requirements. Additionally, consider their customer support, lead times, and whether they comply with safety and efficiency standards.

How can I verify the quality of transformers from a US manufacturer?
Check if the manufacturer provides product testing certifications, references from past clients, and complies with recognized standards like ANSI, IEEE, or UL. Visiting the factory or requesting sample products can also help you assess quality.

What is the typical lead time for a custom transformer order in the USA?
Lead times vary based on the complexity and volume of your order but typically range from 6 to 12 weeks for custom transformers. It’s best to consult directly with the manufacturer to get accurate timelines for your specific project.

Can US transformer manufacturers accommodate unique or specialized requirements?
Yes, reputable manufacturers usually offer custom design and manufacturing services to accommodate unique voltage, size, or application needs. Be ready to share detailed specifications to ensure your requirements are understood and met.

Are there minimum order quantities when purchasing from US transformer manufacturers?
Minimum order quantities depend on the manufacturer and the product type. Some offer flexibility for custom or prototype orders, while others may require a minimum batch size for standard products. Always ask upfront to ensure compatibility with your project scale.