Products & Services
Maddox transformers are designed, built, and tested in accordance with the highest industry standards, including NEMA, ANSI C.57, DOE, and IEEE as applicable.
Fast Quotes
Sent in 30 Minutes
1,000+ Five Stars
Thousands of Satisfied Customers
BABA Options
Made-in-America Available
Fast Deliveries
Ready-to-Ship Units
Get Any Transformer. Hit Every Deadline.
Products
Thousands of new and reman units in stock. Or get one built fast to match an exact spec.
Indoor & Outdoor.
Stock or Custom-Made.
Switchgear
Safe switching and fusing protection for medium voltage systems.
Services
One Call.
Total Solution.
One team. Every transformer need. No handoffs. No hassle. Just straightforward support.
American Industry. Proven Performance.
Reviews
14 Transformers
Powering One Site
“When I compare quotes, Maddox has always provided the best price and the best lead time.”
Greg Bowen, Lumber Mill
Two Transformers
Delivered Within 48 Hours
“Transformers are always a long lead time item. Being able to get them in two dats is unheard of.”
Mike O’Neill, Prime Rock
Transformer
Repaired in 5 Days
“Highly recommend Maddox. Just a top notch organization that got us through an emergency.”
Richard Corkins, Cascade Irrigation
Five Transformers
Delivered 7 Months Faster
“If I had a question or concern, they were able to address it very quickly so the end user could stay on their schedules.”
Bill McKinnon, City Electric Supply
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+100 Transformers
Powering Multiple Site
“They’ve met schedule and
they’ve got a superior product.”
John Dumler, DC BLOX
