I'm with NeoCracker, its Atlus if not for their in-house game developers (Megami Tensei Franchise) its also just the fact they have picked up the mantle of Working Design and tend to release games that never would have made it out of Japan if not for them.

Still, its mostly for the MegaTen titles, which still tend to blow me away and I have yet to meet an entry I dislike or felt was "meh". My secondary choices are Capcom whom despite making tons of mistakes still seems to find ways to redeem themselves every few years and make me fall in love with them, its like an abusive relationship. I also love Konami even if they are whoring out MGS. Nippon Ichi is also up there as well as Grasshopper Studios of which both love to appeal to the jaded gamer by lampooning video game cliches.

Sucker Punch is also up there, though I haven't played InFamous yet.