Electro Plastics Inc. / STEP® (Self-regulating Technology of Electro Plastics) was founded in 1994. The company's headquarters are located in Maryland Heights, Missouri, U.S.A. Recognized as a world leader of flat PTC self-regulating low-voltage, AC /DC, heating elements, Electro Plastics’ advanced research & development and manufacturing center continues to drive innovation forward by provide value to our customers through delivery of sustainable, safe and energy efficient heating solutions.