Alamo Transformer

Alamo Transformer Supply Company began operations in San Antonio in March 1963.

Appliances; Electrical; and Electronics Manufacturing

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Headquarters: San Antonio, Texas, United StatesSource: RevenueBaseRetrieved October 13, 2026
Employee range: 51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded: 1963Source: RevenueBaseRetrieved October 13, 2026
Published list appearances: 6 supported appearances ↗Source: RevenueBase lists

The company at a glance

What does Alamo Transformer do?

ATSCO operates two locations in San Antonio and one in Houston, serving utility, cooperative, industrial, and petrochemical customers. The company identifies repair, reconditioning, rewinding, rental, and recycling as its areas of expertise.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

Transformer repair

The San Antonio Distribution Transformer Division repairs transformers up to 500 KVA.

Source: LinkedIn company description · Retrieved October 13, 2026

Transformer rewinding

The company rewinds single- and three-phase transformers up to 12/15 MVA at 200 KV-BIL.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Snapshot: September 29, 2026

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Alamo Transformer

#19 Vpi transformer manufacturers

Snapshot: September 29, 2026

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  <img src="https://revenuebase.ai/companies/profiles/alamotransformer/recognition-companies-vpi-transformer-manufacturers-united-states-20260930-1bd38ff7635a4e891ea8eccffc3890ad1ea0409d14e381c3f0157540b08cf937.svg" alt="Alamo Transformer listed #19 on Vpi transformer manufacturers, September 29, 2026" width="220" height="319" style="max-width:100%;height:auto;" />
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Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 29, 2026 and October 8, 2026. How the company lists are built.

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