"THE TRANSFORMER PEOPLE"®

Located on the plains of eastern South Dakota, T&R Electric focus on several things: inventory, quick delivery, competitive pricing and personal commitment to quality and performance. We are a dependable supplier of transformers and other high voltage electrical apparatus to municipalities, REA's, investor-owned utilities, commercial and industrial customers.

T&R Electric 1961

From the humble beginnings in this building on Main Street in Colman, SD with just two employees, T&R has grown into the largest supplier of remanufactured transformers in the United States!

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What is the Secure Code?

The Secure code is a 3 or 4 digit code printed on your credit card. We require this code as a security measure to our customers. Requiring this information helps to ensure that the credit card is present at the time of purchase. If you cannot find this code, or it is illegible, please contact your credit card issuer.

Visa, Mastercard and Discover Cards
The Secure code is the 3 digit value printed on the signature panel located on the back of your card. It is the last 3 numbers in that area.

American Express Cards
The Secure code is the 4 digit value printed above your account number on the front of your card.

T&R Electric Supply Company - rewinding and reconditioning power and distribution transformers

"THE TRANSFORMER PEOPLE"®

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T&R Electric Supply Company - rewinding and reconditioning power and distribution transformers

"THE TRANSFORMER PEOPLE"®

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