Atlus so far, but Square Enix will probably take the first place by the end of 2016.

SE gets my vote.

I love Square Enix, def one of my favorite 3rd party but right now, they're just all hype. Games like Final Fantasy VII Remake, Setsuna, World of Final Fantasy, Kingdom Heart III, Star Ocean 5, NieR 2 havent even come out yet....
Personally, i think Bandai Namco is better. Lot of underrated games.
Warner Bros is also pretty great, Arkham Knight, Mad Max, Mortal Kombat X, Dying Light and LEGO games.

Insomniac Games :-3

Bandai Namco because of Smash Bros, Project X Zone, Pokken, Tekken Tag 2 & Tekken 7 (future release), the pacman platformers (don't judge :-p), One Piece Unlimited, ...

Koei Tecmo's a close second.

But if Squeenix keeps its promises they'll end up on top. For now though, Bandai Namco has the crown

I would love to say EA but looks like Dragon Age and Mirror's Edge are the only notable games by them this gen. So I'll give it to Square Enix.

Dragon QuestXI, Final Fantasy XV, World of Final Fantasy, Nier, DQ Heroes is a good start.
If they top that off with a proper Sleeping Dogs sequel they've easily won this gen.

Bethesda or Square Enix... Hmm..

As much as i hate to say it i have to give it to EA

Same here. Titan Fall, Madden, BF4 (online) and dragon age inquisition.

I dunno...? I'll just stick with Atlus, as they have never really ever let me down in any gen, already providing the goods x )

Square Enix is making all the right moves to make me see them in a good light. If they keep this up, I might actually trust them again.