Ripped from Wikipedia:
Current first-party
* Brownie Brown — Software developer consisting of former members of Squaresoft. Responsible for Magical Vacation and Magical Starsign, and for supporting Shigesato Itoi and HAL with Mother 3.
* Intelligent Systems — Established in 1986 by former members of Nintendo Research & Development 1 to develop games. Responsible for Metroid, Fire Emblem, Wario Ware, Card Hero series and Famicom Wars franchises.
* Monolith Soft — Founded in 1999 by a former member of Square Co., Nintendo bought a majority stake on April 27, 2007 from Namco Bandai. Developer of the Xenosaga series, as well as Namco x Capcom, and the Baten Kaitos series. Currently developing the upcoming Wii title Disaster: Day of Crisis and the DS titles Soma Bringer along with Eternal Frontier: Super Robot Wars Original Generation.
* Nintendo Entertainment Analysis and Development (Originally "Nintendo Research & Development 4") — Largest division at Nintendo. Managed by Shigeru Miyamoto. Responsible for the Mario, Zelda, Animal Crossing, Wii Series, and other franchises.
* Nintendo Software Technology Corporation — Redmond-based studio responsible for Metroid Prime Hunters, among others.
* Nintendo Software Planning and Development — Development division inside Nintendo. SPD was created during a corporate restructuring in 2004 and primarily assists other first party teams and manages overseas production of first party franchises.
* Retro Studios — Austin-based studio fully owned by Nintendo. Developer of the Metroid Prime games excluding Hunters and Pinball.
Current second-party
* AlphaDream — Developer of Tomato Adventure (Japan only), Mario & Luigi: Superstar Saga, and Mario & Luigi: Partners in Time.
* Ambrella — Developer of Hey You, Pikachu!, Pokémon Channel, and Pokémon Dash.
* Game Freak — Developer of the Pokémon video game series and Drill Dozer.
* Genius Sonority — Newly formed developer; responsible for Pokémon Colosseum, its sequel, Pokémon XD, and the Pokémon puzzle game: Pokémon Trozei.
* HAL Laboratory — Responsible for the Kirby franchise, Super Smash Bros. series, the Eggerland series (also known as the Adventures of Lolo series), the development of the e-Reader, and co-produced the EarthBound/Mother series.
* Noise — Developer of the Custom Robo franchise.
* Nexon - Developer of MapleStory DS, based on the MMORPG, MapleStory.
Also, exclusive 3rd parties:
Current Exclusive to Nintendo systems
* 5TH Cell - Developer of Drawn to Life series for Nintendo DS and Wii.
* Camelot Software Planning — Developer of Nintendo's Mario Golf and Mario Tennis series as well as the Golden Sun franchise. Recently developed We Love Golf for the Wii, published by Capcom.
* EA Salt Lake — Formerly known as Headgate Studios, it was bought by Electronic Arts and is now creating games exclusively for the Wii and Nintendo DS.
* Fall Line — Salt Lake City based game developer formed by Disney to create games exclusive to Nintendo systems.
* Firebrand Games — Develops racing games, such as Codemasters' Race Driver: Create and Race for the Nintendo DS. It is developing for the Wii as well.
* Fuse Games — A British Pinball game company who made Mario Pinball Land and Metroid Prime Pinball.
* Jet Black Games — Created by former developers at EA Canada, it have announced that it will license and develop games exclusively for Nintendo's hardware.
* Jupiter — Developer of the Nintendo DS game Spectrobes, the Pokemon Pinball series, and Kingdom Hearts: Chain of Memories among other titles.
* Kuju Entertainment London — Developer of the Battalion Wars series of games; the London studio is exclusive to Nintendo.
* Shin'en — Developer of the Nanostray games for the DS and Wii.
* skip Ltd. — Developer of the Chibi-Robo series, the bit Generations series (Japan only), and GiFTPiA (Japan only).
The rEVOLution is not being televised
