From ringtones, ring-backs and wallpapers to applications, games, virtual goods and video, the mobile content industry in the United States is booming like never before.

Sony Music Entertainment has taken its catalog of full-length tracks, music videos, images and ringtones into the mobile space.

Warner Music Group is promoting its catalog of mobile content to the more than 34 million music fans within the Myxer community.

Reggae.com LLC has partnered with Adva Mobile Corp. to launch a mobile-optimized extension of its Web site, letting reggae fans buy tickets and merchandise on their mobile phones.

Entertainment and media company PT Solegra Nusa Perdana has partnered with Alcatel-Lucent to launch a mobile gaming and music download service.

Grammy award-winning reggae artist and philanthropist Ziggy Marley has launched the iPhone application “Ziggy Marley’s Music Mixer.”