Including WiiWare (Not including VC):
Nintendo: 38% (22 games)
Capcom: 10% (6 games)
Ubisoft: 10% (6 games)
Sega: 9% (5 games)
Activision: 5% (3 games)
EA: 3% (2 games)
Frontier Developments: 3% (2 games)
Marvelous: 3% (2 games)
Atari: 2% (1 game)
LucasArts: 2% (1 game)
THQ: 2% (1 game)
Konami: 2% (1 game)
Namco Bandai: 2% (1 game)
SNK Playmore: 2% (1 game)
Majesco: 2% (1 game)
Ronimo Games: 2% (1 game)
2D Boy: 2% (1 game)
Aksys Games: 2% (1 game)