[quote=@Ozymandias]
Tentatively interested here, but I haven't roleplayed in [i]years[/i]. Would it be acceptable to be a fairly small power in this, or is it just major players?
[/quote]

Well, there are factions such as the Van Graffs which have only 10,000 people are only a trading company in the west. And the church of atom only has 50,000 people. So you don't need to be as large as the NCR to have a faction. You can be smaller