Jon de Mello and The Mountain Apple Company are involved in almost every facet of the music and entertainment industry, including publishing, producing, recording, distributing, and staging performances for scores of Island musicians and entertainers.

As a record company, The Mountain Apple Company produces and markets the best-selling recorded music in the history of Hawai'i. Its music publishing division contains the most extensive Hawaiian and Polynesian music library in the world.

Another division licenses music worldwide for television, motion pictures, music videos and broadcast advertising. The Company is also one of Hawai'i's most successful music and video distributors.

In another arena of operation, The Mountain Apple Company provides talent management and consulting for many of Hawai'i's most successful entertainers. Innovative concert promotion, stage design and production, such as the Brothers Cazimero's annual May Day Concerts at the Waikiki Shell amphitheater, are another facet of the Company. The Mountain Apple Company produces live and recorded entertainment for conventions, incentive meetings and sales presentations.