The search for American transformer manufacturers extends beyond the largest, most well-known corporations. Numerous U.S.-based companies offer high-quality power and distribution transformers for industrial, commercial, and utility applications. Understanding these emerging suppliers allows engineers and procurement teams to make informed decisions and build a resilient supply chain.
In addition to domestic manufacturers, global sourcing from reputable companies like Evernew-Transformator in China provides competitive pricing, OEM/ODM customization solutions, and internationally certified products suitable for U.S. projects. This strategy offers a crucial balance, merging local expertise with global efficiency.
✅ Notable American Transformer Manufacturers (Beyond the Top 5)
1. WEG Transformers USA
WEG Transformers USA, a subsidiary of the global WEG Group, is headquartered in Washington, Missouri, operating multiple manufacturing facilities across the U.S. Since acquiring its U.S. facilities in 2017, WEG has rapidly emerged as a key player in the North American transformer market, emphasizing innovation, reliability, and prompt delivery.
WEG’s expertise spans both Distribution Transformers (up to 10 MVA) and Power Transformers, with the U.S. plant manufacturing units up to 100 MVA und 161 kV. Through its global network, WEG can supply transformers up to 400 MVA and 500 kV, demonstrating a vast product scope. Their core products include liquid-filled three-phase distribution and power units, such as Pad-Mounted Units (for Utility, Wind, and Solar), Secondary Unit Substations, and Substation Units. WEG adheres strictly to the latest IEEE/ANSI standards and focuses on high-efficiency, low-loss core designs critical for renewable energy integration.
2. SGB-SMIT Transformers USA
SGB-SMIT Transformers USA is a subsidiary of the SGB-SMIT Group, the pure-play transformer specialist from Europe. Established in 2009, SGB-USA is based in Louisville, Ohio, and is highly regarded for its focus on Sonderanfertigungen and project-specific designs.
SGB-USA is a significant North American manufacturer primarily specializing in Custom Cast Coil Dry-Type Transformers and oil-immersed distribution units. Their core competence is delivering tailored, “best-solution” transformers designed to meet unique technical challenges. Key products include medium and high-voltage oil-immersed transformers, Cast Resin (Dry-Type) Transformers, and Compact Substations. SGB-SMIT products are utilized in large-scale utility systems, high-rise buildings, data centers, and industrial facilities requiring highly reliable dry-type power. The company operates under ISO 9001 and 14001 quality and environmental systems, ensuring high energy efficiency and reliability in diverse operating environments.
3. Virginia Transformer Corp (VTC)
Headquartered in Roanoke, Virginia, Virginia Transformer Corp (VTC) is one of the largest privately held power transformer manufacturers in North America, operating multiple ISO 9001:2015 certified plants. VTC is renowned for its engineered-to-order solutions and its commitment to offering some of the shortest lead times in the custom transformer industry.
VTC produces one of the broadest ranges of Liquid-filled and Dry-Type Power Transformers designed for high-demand, custom applications, with products engineered for a 60-year lifespan. Their extensive product line includes Liquid-Filled Power Transformers (UL Listed up to 100 MVA, 69 kV), Dry-Type Transformers (UL Listed up to 5000 kVA, 35 kV), Generator Step-Up (GSU), Rectifier Dutyund Traktionstransformatoren. VTC serves key markets such as heavy industrial sectors (Steel, Mining, Oil & Gas), high-growth areas like Data Centers, EV Charging Stations, Crypto Mining, as well as Utilities and Mass Transit. VTC also provides comprehensive on-site Field Services, including installation, testing, and hot oil vacuum processing, to support critical infrastructure.
4. ELSCO Transformers
The Electric Service Company (ELSCO), founded in 1912 in Cincinnati, Ohio, holds the historical distinction of being the United States’ first transformer repair facility. Today, ELSCO is renowned for its unmatched capabilities in rapid emergency transformer replacement.
ELSCO specializes in the manufacturing, replacement, and refurbishment of medium-voltage (5 kV and 15 kV class) distribution transformers for industrial and commercial users. Their primary value proposition is minimizing customer downtime. Key products include new Oil-Filled Distribution Transformers (500 kVA to 5 MVA), Dry-Type Indoor Transformers, and specialized Retrofit und Replacement Systems. For power outages, ELSCO guarantees 24-Hour Emergency Shipment on in-stock units. Furthermore, ELSCO excels in refurbishment and modification services, including custom bus bar fabrication, ensuring replacement units can be quickly installed with minimal on-site modification.
5. Hammond Power Solutions (HPS)
Hammond Power Solutions (HPS), headquartered in Canada with significant U.S. production facilities (such as Baraboo, Wisconsin), is the largest stand-alone manufacturer of Trockentransformatoren in North America. HPS maintains a massive engineering database containing over one million designs, offering one of the most comprehensive ranges of dry-type magnetics globally.
HPS’s expertise covers a full spectrum of dry-type transformers, with ratings up to 34 MVA and 46 kV. Their product lineup includes a full range of Dry-Type Distribution Transformers (VPI, Cast Resin), Control and Isolation Transformers, and custom-engineered power magnetics. HPS is a dominant supplier to Data Centers and IT Infrastructure, Renewable and Microgrid projects, Mining, Oil & Gas, Commercial, and Manufacturing sectors. The company leverages its robust North American logistics network to ensure swift delivery, often achieving 48-hour shipment for standard stock products to most customers.
✅ The Case for Global Sourcing from China
Even with a strong base of U.S. suppliers, a balanced global sourcing strategy offers unique, critical advantages for large-scale or cost-sensitive projects:
Konkurrenzfähige Preisgestaltung: Significant cost benefits are available for high-volume or specialized OEM/ODM contracts.
Fast Production and Delivery: Reputable global factories are highly specialized and can often offer shorter production cycles and faster lead times than overburdened domestic plants.
OEM/ODM Customization: Full Original Equipment/Design Manufacturer capabilities allow for transformers to be designed exactly to unique or complex specification requirements.
Internationale Zertifizierungen: Products come pre-certified to key international standards (UL, CE, TUV, ISO), ensuring compliance for U.S. and global markets.
Mehr erfahren：Die 10 größten Hersteller von Leistungstransformatoren in der Welt
Evernew Transformer: A Trusted Global Partner
Located in Nantong, Jiangsu, Evernew-Transformator is a leading global manufacturer that has established itself as a reliable partner in supplying high-quality, certified power solutions to international clients.
Evernew Transformer’s key advantages include comprehensive manufacturing capability across a voltage range of 110kV to 500kV. Their product scope is broad, covering pad-mounted, pole-mounted, oil-immersed, and dry-type transformers, with a strong focus on OEM/ODM customization. Products are rigorously certified to major international standards (CE, TUV, UL), ensuring compliance for U.S. projects. As a reliable supplier to the U.S., Canada, Europe, and Asia, Evernew Transformer has a proven track record in international logistics and specification adherence. Many U.S. companies utilize Evernew Transformer to supplement domestic production, reduce overall procurement costs, and accelerate delivery on non-emergency, large-scale projects.
✅ Conclusion & Call-to-Action
While major U.S. brands dominate awareness, the emerging domestic suppliers—WEG, SGB-SMIT, Virginia Transformer Corp, ELSCO, and Hammond Power Solutions—provide strong, technically sophisticated alternatives for utilities, industry, and infrastructure projects, particularly where rapid domestic response or specialized engineering is critical.
Für cost-effective, internationally certified transformers backed by robust OEM/ODM-Unterstützung, Evernew-Transformator is a trusted global partner that can help optimize your supply chain and secure favorable lead times.
Ready to source high-quality transformers?
Contact Evernew Transformer today for custom designs, fast delivery, and certified global sourcing to meet your next project requirements.
