Don't you just hate clicking on a site for lighting and after exhaustive searching finding out that they don't sell what you are looking for. Listed below are a selection of merchants who sell work and sitelights lighting. You will find lighting on all these sites and therefore will not waste time clicking through to lighting suppliers who only sell table lamps or garden lighting for instance. It is worth taking the time to go through all the sites on this page as they all contain site lighting.
DIY Tools
A huge range of worklights and all manner of outdoor lighting from home to commercial, solar powered lighting, garden lanterns, torches.
Tooled up
Worklights, bulbs, inspection lights, outdoor lights, security lights, torches and lanterns, nightlights.
Trueshopping
Floodlights, security lights, worklights, torches, bulbs, halogen lamps, led, flourescent