Since 1976, General Transformer Corporation has been operating as a producer of transformers and inductors. Located in Wylie, Texas, it is one of the few transformer manufacturers, producing standard controlled ferros, EI laminated, ferroresonant and toroidal transformers. The company offers a wide array of products, which include laminated steel transformers/inductors and three phase transformers, among others. General Transformer Corporation caters to the needs of the original equipment manufacturers (OEMs) throughout the world. The company uses UL recognized insulation system.