Staco Energy Products is among the oldest and largest manufacturers of variable transformers in the nation. Staco Energy Products continues to pioneer improvements in design and construction of standard and specialized variable transformers, alternating current voltage control, power conditioning and uninterruptible power supply equipment for industrial, commercial, medical and military applications. The company employs an experienced staff of engineers available to assist customers in configuring the right product to meet their specifications. With more than 65 years of experience in the power industry, Staco Energy Products is maintained its headquarters in Dayton, Ohio.