- M M Management
- Mac Daddy
- Maggie Music Inc
- Majestic Brass
- Malach Music
- Mallarme Chamber Players
- Mallory Music
- Marcel Arnalot
- Marcus R Harris
- Mariachi Las Vegas Mexican
- Mariachi Porvenir
- Mark Barrett Agency
- Martha's Vineyard Chamber
- Martinson Jazz Combo
- Master Singers Of Worchester
- Masterworks Chorale
- Meridith West
- Merrimack Valley Musicians
- Merrimack Valley Musicians
- Merry Musicians
- Michael Mone
- Michelle Tukachinsky Piano Std
- Midlands String Quartet
- Milano Art Music School
- Minda Music
- Minnesota Chorale
- Minnetonka Choral Society
- Minnetonka Clippers Barbershop
- Missing String Music
- Monmouth Civic Chorus
- Morning Star Music Publishing
- Mosby Group
- Mr Piano
- Mr Piano
- Mt Vernon Chamber Players
- Murphy Brothers Band
- Murphy's Musicians
- Muse Inc
- Music & More
- Music Registry
- Music Resource Group
- Music Unlimited
- Musica-Musicians-All Occasions
- Musical Encounters Inc
- Musical Expressions Inc
- Musical Stylings
- Musician's Union
- Musicians Association
- Musicians For Hire
- Musicians Guild Of Essex
- Musicians Local 393 AFM
- Musicians Local No 498
- Musicians Of The Old Post Road
- Musicians Union
- Musicians Union
- Musicians Union # 232
- Musicians Union Local
- Musicians Union Local 62
- Musique Makers
- Mutual Musicians Foundation
- Native Sun Productions
- Nevada Chamber Symphony
- New England Chamber Music
- New England Classical Singers
- New England Conservatory
- New Image Music & Entrtnmnt
- New Jersey Gay Men's Chorus
- New Resident Svc
- Newburyport Choral Society
- Nichols Enterprises
- Night Heron Music
- Night Writer Productions
- Noggin Music Consulting
- Noon & Night Music
- North Carolina Master Chorale
- Northern Nevada Bluegrass Assn
- O'Neill Brothers
- Oakland Community Chorus
- Oakland Community Chorus
- Ocean County String Band
- October Songs
- Oldies Agency
- Omaha Symphonic Chorus
- One More Time
- One Shot Crockett
- Osborne Hoyle
- Osborne Hoyle
- Ourselves
- P2E Music Group
- Paid In Full Ministries Inc
- Panapolli Trio
- Paradise Band
- Passaic County Emerald Society
- Passion East Educational
- Passion Parties By Jenny
- Pat Klimas
- Pat Klimas
- Paul Hurst
- Paul Hurst
- Perfect Sound
- Perry & Lewis Virtual Band
- Persuaders
- Peter S Hengen
- Piano Player For Most Occasion
- Piano-Orchestras
- Pianos-Orchestras
- Piedmont Chamber Singers
- Pioneer Valley Symphony
- Plymouth Brass
- Polynesians Musicians
- Polyphonic Digital Systems
- Polyphonic Digital Systems
- Prima Donna Productions
- Primavera Chamber Ensembles
- Primitive Quartet
- Princeton Garden Statesmen
- Princeton Girlchoir
- Princeton Music Connection
- Princeton String Quartet
- Pro Musica Rara
- Professional Musicians Rfrrl
- Pure Romance By April
- Quintessential Brass
- Rader Music
- Radio King Orchestra
- Radius Ensemble
- Radius Ensemble
- Rafael Trio
- Raging Princess Productions
- Raleigh Ringers
- Randy Chick Piano Professional
- Ray Mccarty Governmental Relat
- RCE Productions
- Realisy Music
- Rebecca & The Hi Tones
- Red Letter Record
- Red Letter Record
- Redemption 4 Today Quartet
- Regency Trio
- Reno Musicians Union 368
- Retromantics
- Richard Shmishkiss
- Ridgewood Concert Band
- River Ministries Inc
- Rob Levit Productions
- Roberto Capocchi
- Roberto Capocchi
- Ron Romanovsky
- Ronnie Reeves Entertainment
- Rose Ensemble
- Rose Ensemble
- Rose Genevieve
- Rose Genevieve
- Roy Geidel Entertainment
- Royal Academy-Performing Arts
- Royal Musicke
- Saddle River Valley Concert
- Sambaland World Music Ctr
- Sandy Creek Band
- Satin Doll Trio
- Savage Music Connection
- Savoy Entertainment
- SAX Man Productions
- Scot Marshall Entertainment
- Scott Eastman
- Seacoast Chamber Music
- Senders
- Shadowood Entertainment
- Shrewsbury String Quartet
- Silver & Strings Trio
- Simon Says Booking
- Skydogs
- Society Of Filarmonica Senhor
- Sol Sonido Productions
- Sol Y Canto
- Song Of The Lakes
- Soulfood Ministries
- Sound Of Satin
- Sound Solutions
- Sounds Of Praise
- Southern Nevada Musical Arts
- Spectrum
- Splendor Songs
- Springfield Chordsman
- St Bredan The Navigator
- Stacy Guest
- Stanton Strings
- Steel The Show
- Step Of Faith
- Steve Wright Music Endeavors
- String Beings String Quartet
- Strings Of Light
- Strolling Strings
- Sue Kurian Flute Repair & Svc
- Susan Johnson
- Sweet Adelines Intl
- Swing Swing Swing Orchestra
- T Glo Enterprises
- Tarheel State Quartet
- Tassini String Ensembles
- TDH Music Corp
- Tenvin Inc
- Terrastar
- Thomas J Rowley Dance Band
- Three Oaks Piano Studio
- Thursday Musical
- Tim Callicrate Productions
- Tim Le Beau Ministries
- Time Line Productions
- Timepiece Entertainment
- Tinkertunes
- Tom Cats
- Tom Flynn One Man Band
- Tom Wisner
- Tom Wisner Studio
- Total Entertainment
- Town Of Londonderry
- Townsend Delano
- Townsend Delano/Onaled Ents
- Tri-Central
- Turn Up The Music
- Twin Cities Gay Men's Chorus
- Valley Chamber Chorale
- Vince Stout Jazz Trio
- Vivace String Quartet
- Wayne's Music Svc Inc
- Wellesley Choral Society
- West Jersey Chamber Music
- Wild Aster Productions
- Wildest Dreams
- Winiker Music
- World Power LTD
- Zamir Chorale Of Boston
- Zim Semarel Orchestras Inc
- Zyla Martin
- Zyla Martin