All Record Labels

  1. Machair/Cadiz
  2. Machine Shop/Warner Bros.
  3. Mack Avenue
  4. Mack Avenue/Rendezvous
  5. Macklemore
  6. Mad Decent
  7. Mad Tiki
  8. Made
  9. Made In Germany (MIG)
  10. Made In Germany Music
  11. MadeWright
  12. Madfish
  13. Mae Music
  14. Maeby Music
  15. Magic Wing
  16. Magna Carta
  17. Magnatude
  18. Magnetic Eye
  19. Magnolia Music
  20. Mailboat
  21. Main Man
  22. MainMan
  23. Majik Ninja
  24. Majordomo
  25. Majordomo/Shout! Factory
  26. Malaco
  27. Mama Barra
  28. Mama Bird Recording Co.
  29. Man Bites Dog
  30. Manhaton/Cadiz
  31. Manhattan
  32. Manifesto
  33. Mànran/Cadiz
  34. Mansion
  35. Many Hats
  36. Marathon Artists
  37. Maratone AB
  38. Mardev
  39. Margdon
  40. Marion-Lorraine
  41. Mark Ciani Music
  42. Mark Erelli
  43. Mark Of The Leopard
  44. Marquis
  45. Marquis Classics
  46. Marsalis Music
  47. Marshall
  48. Marsis Jazz
  49. Martha's Music
  50. Martyr Inc
  51. Mascot
  52. Mass Appeal
  53. Massacre
  54. Master Of None
  55. Masterswan Recordings
  56. Masterworks
  57. Matador
  58. Mausoleum
  59. MCA Nashville
  60. MCA Nashville/UMe
  61. McCoury Music
  62. McG Recordings
  63. McKhool/Red River
  64. MDDN/Kobalt
  65. MDI
  66. Mega Collider
  67. Mega/Gamma
  68. MegaCollider
  69. Megaforce
  70. Megaplum/ATO
  71. Megawave
  72. Mello Music Group
  73. Melodic Passion
  74. Melody Place
  75. Melvin
  76. Memphis Industries
  77. Memphis International
  78. Mercer Street/Downtown
  79. Mercury
  80. Mercury Classics
  81. Mercury KX
  82. Mercury Nashville
  83. Mercury Studios
  84. Mercury/Casablanca/UMe
  85. Mercury/UMe
  86. Merge
  87. Mesa/Bluemoon
  88. Mesquite St.
  89. Metal Blade
  90. Metalville
  91. Mexican Summer
  92. MFZB
  93. MGM
  94. MI Media Group
  95. Mia & Jonah Music
  96. Mia Mind/Southern Stisles
  97. Mickey Thomas
  98. MIG/Art of Groove
  99. Mighty Eye
  100. Mighty Loud