With a proven track record of reliability and service, Northern Transformer provides high quality, custom designed transformers, competitively priced and delivered on time. Designed and manufactured in our plant from North American parts, we work closely with our clients to ensure satisfaction. We specialize in the design and manufacture of medium-sized liquid-filled transformers of the highest quality. We design our coils to withstand the electrical stresses of lightning and switching surges during long and continuous duty. more... See more text