It was 1913 when Killark's founder introduced his pioneering work in powder-filled replacement fuses - which lead to the birth of a new enterpriseā¦ KILLARK. Its hundred year history reflects growth in a wide range of industries such as Petroleum, Petrochemical and Refining. Today, as part of Hubbell Incorporated, Killark supplies the world-wide demand for Harsh & Hazardous Electrical Construction Products.