I have more conventions to add to the list.
GAGG: Geneseo, NY
ICon - SUNY Stoneybrook NY
InConJunction: Indianapolis, IN
GASPcon: Pittsburgh, PA
GallowsCon: Merrillville, IN
Remeber, if you have a gaming/sci-fi con in your area let me know. I will add it to the list. I am hoping to compile the most complete list of cons in the US, but I am happy to list cons from around the world as well.