Advance Transformer Co. is the industry leader in the design, development, manufacture and sale of fluorescent and high intensity discharge (HID) ballasts for commercial, industrial and institutional lighting. Since the first ADVANCE ballast was manufactured in 1945, Advance has built a reputation for excellence through ongoing commitments to technology, long-standing relationships with leading lamp and lighting system manufacturers, and customer satisfaction. Today, ADVANCE ballasts provide the benefits of reliability, versatility, energy efficiency and long service life in millions of installations worldwide