Check out codfuel.com
(I never used them, but prices seem very good)
Personally I've taken over a building, was shocked to see them being charged $0.50 more per gallon then the going price, called them that I'm changing, so they asked me why, I told them because you ripped me off, so they started giving me normal price, I would have changed companies but as I have a really old boiler, that their technicians know it, I decided I'll forgot my respect, & I'll stay with them. Just a heads up to keep your eye open, and you might get auch better deal just by telling them that your shopping...
