Alamo Transformer Supply Company (ATSCO) began operation in March of 1963 in San Antonio, Texas. Since then, we have grown and expanded operations to meet the ever-changing needs and challenges of our customers.

With two locations in San Antonio and one in Houston, ATSCO is strategically positioned to meet the business needs of both our utility/coop and industrial/petrochemical based customers across five areas of expertise:  Repair, Recondition, Rewind, Rent and Recycle.

The San Antonio facility, which consists of a 27,000 sq. ft. plant on two acres, heads up the Distribution Transformer Division repairing transformers up to 500 KVA as well as overseeing the rewinding of all single and three phase transformers up to 12/15 MVA at 200 KV-BIL. The second San Antonio location on 8 acres provides for storage and a transformer processing area. It also serves as our hub for material recycling.

The Houston operation heads up the Power System Division. This facility, on over 4 acres, with its new expansion, has added additional capacity and increased productivity. The new building and bridge crane have effectively doubled both our lifting capacity and hook height (now over 30 feet) allowing us to increase the rated size of transformers repaired in Houston to 60,000 lbs.

ALAMO Transformer

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