Updated Rundown:
~ EAD Kyoto ~
EAD 1 - just got Mario Kart 8 DLC out the door, (former??) Group Producer Hideki Konno rumored to be heading up the mobile game development
EAD 2 - Splatoon / Animal Crossing Happy Home Designer
EAD 3 - ZELDAAAAAAAAAA
EAD 4 - Mario Maker
EAD 5 - Star Fox (w/ outside support)
Project Garage - Splatoon (EAD2) / Project Giant Robot / Project Guard
~ EAD Tokyo ~
Group 1 (Producer: Shimizu) - 3DS Louvre Guide /w Indieszero & Majora's Mask 3D w/ Grezzo was their last thing apparently
Group 2 (Producer: Koizumi) - last game: NES Remix 2/Super Mario 3D World) / hinting at next big 3D Mario being prepared for the next systems launch
Group 3 (Producer: Hayashida) - (assuming Hayashida really got his own additional group and didn't just take over for someone on Grp 1 or 2) last game: Captain Toad / Ultimate NES Remix
~Nintendo SPD~
SPD 1 (Sakamoto's group but Shikamaru said he might be running a new secret team since last year? maybe we'll learn what came of that soon?) - Tomodachi Life / Game & Wario were the last things, iirc - and Rhythm Heaven, so they're doing Rhythm Tengoku Plus for 3DS atm
SPD 2 a.k.a. Team Super Yamagami All-Stars: Xenoblade X w/ MonolithSoft, Code Name S.T.E.A.M. w/ IntSys, FE If w/ IntSys, Shin Megami Tensei x Fire Emblem w/ ATLUS & IntSys
SPD 3 a.k.a. Super Tanabe Bros (western collabos): Whatever Retro is doing, whatever Next Level is doing
SPD 4: Fatal Frame 5
SDD: quirky eShop titles
~Subsidiaries/Frequent Collaborators~
MonolithSoft - just shipped Xenoblade X / Project X Zone 2
Intelligent Systems - Fire Emblem If comes out in June / Code Name S.T.E.A.M. just came out, Stretchmo/Fullblox just came out / Paper Mario is rumored / said new Advance Wars would be shown
"When the time is right"
HAL - Kirby Rainbow just came out, BOXBOY! just came out / they expressed interest in full 3D platformer Kirby
Next Level Games - SHOULD be ready to show their new thing
Retro Studios - COULD be ready to show their new thing
ND Cube - a new ~Party game, I guess?
AlphaDream - time for a new Mario & Luigi RPG?
Arzest - please keep them away from Yoshi, etc lol
Good-Feel - just shipped StreetPass zombie game, Yoshi's Woolly World out soon after E3
UPDATED with:
Skip - Chibi-Robo Photo Finder was their latest jam
Vitei - last worked on Steel Diver: Sub Wars wtih EAD5
Headstrong - tinkering away at that Art Academy game for Wii U that was announced two years ago... (bring back Battalion Wars! Gamepad says hi!)
Vanpool - Dillon and Paper Mario Sticker Star, they could be helping with Paper Mario again or doing a Wii U Dillon or something different entirely
Arika - Dr. Luigi was their latest thing. I still want a Wii U entry of Endless Ocean ...
NST - just released Mario vs DK Tipping Stars and made the Nintendo Web Framework thing so expect silence from them until the next Mario vs DK game is ready I guess
Syn Sophia - Girls Mode 3 (Style Savvy 3) just came out in Japan
Genius Sonority - just shipped Pokémon Shuffle, Denpa Men F2P localization doesn't seem likely?
Ambrella - just shipped Pokémon Rumble World
Red Entertainment - just shipped Fossil Fighters Frontier
Grounding - recently put out
a 3DS/Wii U game in Japan for Bamco
Camelot - Mario Tennis/Golf entries have been served up. Time for another Golden Sun game, no? Please?
Ganbarion - Wii Fit U was their latest Nintendo collabo, put out their normal licensed stuff since then
thanks astrogamer and Drago for reminding me of the ones I missed!