MMX or Mobile Music Exchange is a Brand of Label Mobile Media Private Limited, a group of music companies committed to providing legitimate music to millions of mobile phone users across the country. MMX is affiliated to the Indian Music Industry, an association body committed towards delivering legitimate music to its consumers. The members involved in MMX include :
Aditya Music, EMI, Tips Music, Saregama, Sony music, Universal and Venus.

These companies account a large mass of music content available in India and this content is in demand on mobile phones.