MusicXML has become the most successful standard for music notation interchange since MIDI. Companies and organizations who have adopted MusicXML for their software include:

• Algomusic
• AMuseTec
• Antares Audio Technologies
• Arpege sprl
• Audio Impressions, Inc.
• Avid Technology, Inc.
• The Baked Bean Company
• Cakewalk, Inc.
• capella-software AG
• CERL Sound Group
• Cognitone GmbH
• Columbus Soft
• DG Software
• Dolphin Computing (Cambridge) Ltd
• Electric Ears Ltd
• Frog Story Records
• fun communications GmbH
• GenieSoft, Inc.
• Grame Computer Music Research Laboratory
• Gvox
• Harvey Mudd College Computer Science Department
• Hotkey Webdesign
• Indiana University Music Informatics Program
• IRCAM
• Kawai Musical Instruments
• Kwansei Gakuin University Department of Infomatics
• Legato Media, LLC
• Likasoft
• Lugert Verlag
• La mà de guido
• Magix AG
• MakeMusic, Inc.
• Massachusetts Institute of Technology Music Program
• Microsoft Research
• Middle C Software Ltd
• Morpheus, Inc.
• MusicEase Software
• Musitek Corp.
• Myriad S.A.R.L.
• NCH Software
• Neuratron Ltd
• Niversoft
• Notation Software
• Noteflight LLC
• NoteHeads AB
• Notion Music, Inc.
• Obtiv e.K.
• Opus 1 Music
• OrganMuse
• Personal Composer Inc.
• Provectis Music, Inc.
• Scoretec
• SIL International
• Sion Software
• Soundmotion Ltd
• Steinberg Media Technologies GmbH
• University of Melbourne School of Music
• Wonder Warp Software, LLC
• Xenoage Software
• Xenon Labs LLC
• Visiv Ltd
• Yamaha Corp.
• Yokohama National University Graduate School of Environment and Information Sciences