A much more full list of Nintendo DS publishers and titles currently announced is below, compiled courtesy of IGN.com.
Activision -- Spiderman 2
Atari -- Project TBA
Bandai -- One Piece, other games TBA
Banpresto -- Dragon Ball Z
Capcom -- Megaman Battle Network, Viewtiful Joe DS, Gyakuten Saiban
Electronic Arts -- Need for Speed
From Software -- Project TBA
Hudson -- Bomberman, other projects TBA
Koei -- Dynasty Warriors
Konami -- Frogger 2005, Yu-Gi-Oh: Nightmare Troubadour
Majesco -- Project TBA
Namco -- Mr. Driller, TBA RPG
Sega -- Project Rub
Square Enix -- Final Fantasy Crystal Chronicles, Egg Monster Hero, Dragon Quest Monsters
Tecmo -- Monster Rancher
THQ -- Spongebob Squarepants
Ubisoft -- Rayman
Vivendi -- Project TBA