May Engineering Labs Inc

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2900 W Sencore Dr Ste 100
Sioux Falls, SD 57107
+1 (605) 334-9880
https://www.ts-tm.com

TSTM Inc. is a leading manufacturer of secondary voltage transformers, specializing in creating a safe working environment for electrical metering applications. Trusted by Investor-Owned Utilities, Electric Cooperatives, and Municipal Utilities across the United States, TSTM products ensure revenue grade accuracy and provide necessary component protection for utility, industrial, and commercial installations.

With a commitment to quality, TSTM manufactures and assembles all of its products in the USA. Their unique line of VT Packs, VersaPack, AccuPack, harnesses, accessories, sockets, enclosures, and auxiliary transformers eliminate hazards associated with high voltages, making them a reliable choice for safe and accurate protection in the electrical industry.

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