Control Kings are a online retailer of control gear, ballasts, emergency modules and ignitors for metal halide, sodium and fluorescent lamps. At control kings we offer pre-wired gear trays and we will build gear trays to meet requirements. We stock wide ranges of ballasts from the big manufacturers include Tridonic Atco, ELP, Osram, Venture, Philips, Lite-Plan, Helvar, Mode Lighting UK, Vossloh Schwabe, ELT, Orbik, JSB, Harvard, Existalite, BJB, B|A|G Electronics, Mackwell and Magnetec.