Here’s the guild thread for the Morodnir - adventure-oriented, a good dose of quintessential dwarven fantasy. Everything I’ve seen of them speaks of a great love for dwarf lore:
For a more diverse Alliance military experience there’s the Seventh Legion, who’re long-runners:
And then the Boulderhelm Brigade, who’ve already been linked above. I know that both them and the Seventh do RP-PvP, if that’s something that interests you.