VaporBomb was the first vendor that we used when we started vaping around 2 years ago. We found that, for us, most of their flavors were good with minimal, if any, steeping. Good thing, since we did not have the money to build up a stash at that point. Decent pricing and shipping, great customer service when we used them.
The Vapor Room has a Pumpkin Spice flavor. For me, their flavors really need to be steeped for a while before I enjoy them, but they do have a few flavors that I look for on sale.
Mt. Baker Vapor just came out with a Pumpkin Pie eliquid. My daughter tried it when we got it, and it really needs to steep. FOOB, she was getting the spices but not the pumpkin or pie.
ITC has Jack O Lantern, a pumpkin cheesecake flavor. Not too bad, but daughter and I agree that it needs steeping to reach its full potential.
Don't forget to shake the bottle well before filling or topping off your tank or carto.