PTTI manufactures substation transformers of medium and large coreform design, from the smallest Padmount, to the largest Generator Step-Up. We also produce a number of specialty products, including single and three-phase voltage regulators, rectifiers, and furnace transformers. Both PTTI facilities manufacture and test in strict accordance to the customers specifications as well as all applicable standards including ANSI/IEEE, and NEMA.

Canonsburg Operations

Raeford Operations