Over 65 Years of Industry Experience In
Transformer Support & Solutions

The Industry’s Top Provider of High-Quality
Customized Transformer Solutions

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We Know Transformers.

Conceptualized by the industry’s most tenured experts, Core was established to meet the demand for reliable, high-quality equipment that is critical to powering your business operations. We specialize in purchasing and delivering custom-ordered units, as well as ready-to-ship transformers when and where you need them.


Power at the Core
of Your Business.

Primarily serving both industrial and commercial markets, CORE knows transformers. With over 65 years of experience building and customizing transformer solutions, our team is laser-focused and ready to power your business. We provide a seamless customer experience, complemented by our unmatched technical skills and extensive knowledge of this highly specialized industry.

A Powerhouse of Customization

Our team of experts can provide extensive customization to almost any transformer power assembly built to your specific requirements.

ProCORE Rapid Response Delivery

When turnaround and delivery matters, CORE is the right choice for getting your equipment when you need it most.

24/7/365 Best-In-Class Support

No matter where or when it’s needed, the CORE team is ready and available to help you get back up and running.


We supply both new and high-quality reconditioned transformers based on your specific industry and unique needs.


Monetize your unwanted or unutilized equipment. We buy used and unused surplus and make it easy.


Get the power you need without the commitment. No matter when or where a need arises, we keep business
operations energized.

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Same-day equipment shipping available.

In order to keep industrial and commercial businesses up and running, we offer expedited product support & delivery 24/7/365.

CORE Transformers facility
CORE network
CORE Transformers logo

295 Jacobs Rd. Seneca, SC 29678

Randall Maddox
“My career has been a continual pursuit of excellence and CORE is the industry’s next evolution.”
– Randall Maddox, President of CORE Transformers