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An exhaustive update to the current article that removes old factions, adds new ones, and - in my humble opinion - greatly enhanced readability, especially on mobile devices. The USO column was left blank because, well, it's been nearly two months without a reply from @Zack in this thread - despite being tagged threedifferenttimes - thus leaving me nothing to go off of for his faction.
It would, as the NPC factions would also have to be represented horizontally in order to prevent confusion - and as far as I know there simply isn't enough room.