customer reviews

Don’t just listen to us. Take it from our customers and their 600+ 5 Star Reviews.

Trusted by America’s Biggest Companies

Maddox transformers are installed in all 50 United States, Canada, and South America. We’ve provided thousands of transformers to the companies that power American industry.

What Our Customers Say

Wondering if you can trust Maddox with your next project?  Listen to what some of our customers have to say.

600+ 5 Star Reviews

Having the largest transformer inventory in the USA doesn’t help anyone without the team behind it. At Maddox we pick up the phone when you call and ensure you get the transformer you need when you need it.

Very prompt delivery and service

Paul M.

We are a solar installation company based in MA. We've used many suppliers and distribution partners, and none have been as good as the kind folks at Maddox. They deliver high quality products on budget, and more importantly, on time. They've won our business for life and we'll continue to order from them for our commercial and utility scope projects.

Tom W.

Was in a rush need for s transformer and called these guys...best thing i ever did! they were super helpful and actually had a transformer i wanted but didn't think i could afford. had it within 3 days!!! transformer works great and the folks were very nice and knowledgeable about what i needed. didn't try and upsell me or anything like that. THANKS!!!!

Riley W.

Very professional and available people. I'll definitely do business with them.

Andre T.

Very pleased with the product and pricing I received. Will use them again in the future.

Jordan Y.

Very pleased with delivery and the transformer works great so far. Thanks!

Brandon F.

Very knowledgeable and qualified with assisting us to purchase the correct transformer.

Will's W.

Very good company.

Alixon M.

Transformer that I ordered showed up when expected.

Todd H.

Transformer was ordered mid-day and arrived the next morning. Excellent service!

Paul N.

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A padmount transformer outside a data center filled with fr3 fluid