About Us

Corefficient arises to meet the challenges posed by traditional and new DOE transformer efficiency regulations and subsequent demands on transformer manufacturers to balance these new product requirements in a demanding market.

Corefficient is a fully independent organization committed to the utmost customer information confidentiality. We are the answer to customers’ demands for maximized core performance and balanced cost based on material selection, geometries, and manufacturing processes. Our company has an ideal combination of young and experienced professionals, enhanced with a state-of-the-art facility and the market reference for sustainable advantages of the electrical transformer supply chain. We move toward excellence of all our processes – and we show it by being fully ISO-9001 certified.

At Corefficient, we don’t just sell cores – we create Value to the Core™.

Corefficient Building