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.

Delivered as ordered as expected. Good business

Stephen C.

Customer service was very impressive from responding to RFQ to final sale and shipment. Very much appreciated.

Chuck P.

Clear website with good information. Very easy to order. I received tracking information via email immediately after order, and the transformer arrived on time and in good condition. 10/10 would order again.

Paul D.

Couldn't be more happy with this company. Gave me the Time on the phone talking to me about my potential options, shipped quickly, happily answered questions when I asked multiple times, and ultimately gave me a transformer that I'm very happy with. These guys have fantastic customer service.

Andrew A.

Awesome company to deal with. Very helpful, fast shipping, excellent prices, and great support. They are truly there to help you. Pleasure to do business with a company that cares about the customer.

Robert G.

Awesome transformer. Good packing and in good condition

Aaron P.

AWESOME SERVICE! WE NEEDED A TRANSFORMER ASAP - JOSH MADE IT HAPPEN! WE HAD OUR TRANSFORMER SHIPPED VIA COURIER IN 2 DAYS!!!! CUSTOMER SERVICE WAS AMAZING AND THEY GOT THE SHIPPING ON POINT!

Jessica H.

Arrived on time, only took a few days to get here. have not installed yet but, looks of high quality outdoor transformer 75KVA. Well packaged. Will buy from them again if needed.

Paul W.

Arrived quickly, works perfectly. Very easy transaction.

rob mueller

arrived quickly we have yet to get it installed but service has been great

Michael F.

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A padmount transformer outside a data center filled with fr3 fluid