Dragon Models made some a while back, though they're prolly a little tough to find in shops and maybe even eBay. Hot Toys, Saturday Toys, Dr. Figures (The ones you saw at Store-Rooms) ACI (they actually have two new sets of suits that are coming out soon, and you can preorder them at many places), and possibly a few others. If your looking for other peices i.e. ties, dress shirts, vests ect. you may want to check out Project Are. They have quite the selection of different civie attire and I've heard mainly good things about them.
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