Here is a list of groups currently bidding (seriously) to hold a NASFiC. For more information about NASFiC bids and how the process works, see on the Worldcon website. The process for NASFiC bids is similar to that of Worldcon bids, except that sites are selected one year in advance, and that if there is a NASFiC in the year in which the election is held, members of the NASFiC, not the Worldcon, vote on where to hold the site.
2019 Worldcon Bids
If a non-North American site is selected to hold the 2019 Worldcon, the members of the 2018 Worldcon in San Jose will vote to select a site for the 2019 NASFiC