T & R ELECTRIC SUPPLY CO., INC. Email Format

Appliances, Electrical, and Electronics ManufacturingSouth Dakota, United States51-200 Employees

Based in Colman, South Dakota, T&R Electric Supply Co., Inc. operates within the appliances, electrical, and electronics manufacturing space with a specialty in transformers and related high-voltage equipment. The company buys, sells, rents, and repairs distribution and power-class transformers, along with medium and high-voltage switchgear. It serves municipalities, rural electric associations, investor-owned utilities, and commercial and industrial customers, providing reliable equipment and service. The business emphasizes maintaining inventory, fast delivery, competitive pricing, and a commitment to quality and performance.

As a mid-sized provider in the electrical sector, it plays a role in supporting critical electrical infrastructure through sales, rentals, and repair services. Its Colman base anchors its operations within a broader network of utility and industrial customers that rely on transformer and high-voltage components.

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