Welcome to Transformer Supply!

Transformer Supply is a Premier Supplier of Transformers and Switchgear!
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Our Specialty is Strategic Sourcing and Supply Chain Solutions!
Operated by Switchgear.US
Welcome to Transformer Supply, a brand of SwitchgearUS, your premier destination for all your transformer needs. We specialize in offering a comprehensive portfolio of transformers for Utility, Commercial, and Industrial applications. Whether you require standard models or customized solutions tailored to your exact specifications, Transformer Supply is your trusted partner in delivering excellence.
 SwitchgearUS and our manufacturing partners have a high commitment to quality as evidenced by our Quality Management Systems (QMS) and ISO 9001 certifications. We offer both UL listed and DOE compliant transformers. Each equipment is engineered to meet the industry standards, ensuring reliability and performance.
At Transformer Supply, we understand the importance of time-sensitive projects. That's why we offer expedited solutions with short lead times, ensuring your deadlines are met without compromising on quality. Simply share your timeline with us and let our expert team handle the rest.
Experience the difference with Transformer Supply, where customer satisfaction and reliability are our top priority. Let us power your success, one transformer at a time!

Unbeatable Services!

We offer quick turnaround times, great customer service, and fast delivery even for the most challenging power equipment—all of this at competitive prices.
  • Great Value
  • Speedy Delivery
  • High Quality
  • Cyber-secure
  • Customer Love Program
  • Exceptional Customer Support
  • Highly Reliable
  • Highly Responsive

Solutions for Distribution, Substation, Transmission, and Renewable Applications:

Distribution Transformers

Instrument Transformers

Voltage Regulators

Markets Served

Oil Filled Poletop Oil Filled Padmount Dry Type VPI Cast Epoxy Network Transformers Solar Farm Transformers
Current Transformers Voltage Transformers Current and Voltage Sensors

Marine Transformers

Railcar / Transit Transformers

Power Transformers

UtilitiesRenewablesData CentersCrypto MiningEV ChargingMining, MetallurgyInfrastructureGovernmentHospitals Universities Airports StadiumsMass Transit Oil & Gas

Feedback

Transformer Supply offers unbeatable services and speedy delivery for various power equipment needs. Here is what customers have to say:
  • I couldn't be more satisfied with the prompt service I got at Transformer Supply. They really set the gold standard for quality products and customer service!
    ★ ★ ★ ★ ★
    Ellen B.
    Transformer Supply made the entire process so smooth and painless! I received my order quickly and in perfect condition!
    ★ ★ ★ ★ ★
    Mike S.
    From the friendly customer service to fast delivery, I highly recommend Transformer Supply for all your power equipment needs!
    ★ ★ ★ ★ ★
    Matt P.
  • I was immediately impressed with Transformer Supply's product selection and attention to customer service. I will definitely shop here again!
    ★ ★ ★ ★ ★
    John B.
    I highly recommend Transformer Supply for their great prices, exceptional customer service, and fast delivery!
    ★ ★ ★ ★ ★
    Bill K.
    Great selection and unbeatable service - I'm a customer for life!
    ★ ★ ★ ★ ★
    Donia K.

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Transformer Supply is a brand of Switchgear.US
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