Lichtfaktor - Most of their works include doing light drawing (using a form of light to literally 'draw' objects photographed by a camera with an exposure). They mainly do their pictures in urban settings, such as subways and train stations.
Patrick Rochon - Has been creating light drawings since 1992, declared himself a full time light drawer in 1997. Best known for his experimental light drawing portraits, but he has created some good work in the world of automotives too.
Jason D. Page - Makes his light drawing images in almost total darkness, working in a 3 dimensional space. Uses long exposure photography to create some truly fantastic images.