Killark® is a leading manufacturer of weatherproof, harsh and hazardous location products suitable for standard, explosion proof and other hostile and adverse environment applications. These products include conduit raceway fittings, junction boxes, enclosures, lighting fixtures, plugs and receptacles, plus standard and custom controls. Killark® is a major participant in the OEM, commercial and industrial construction and MRO segments of both the domestic and international electrical construction materials market.