All Record Labels

  1. Machine Shop/Warner Bros.
  2. Mack Avenue
  3. Mack Avenue/Rendezvous
  4. Macklemore
  5. Mad Decent
  6. Mad Tiki
  7. Made
  8. Made In Germany (MIG)
  9. Made In Germany Music
  10. Madfish
  11. Mae Music
  12. Maeby Music
  13. Magna Carta
  14. Magnatude
  15. Magnolia Music
  16. Mailboat
  17. Main Man
  18. MainMan
  19. Majik Ninja
  20. Majordomo
  21. Majordomo/Shout! Factory
  22. Malaco
  23. Mama Barra
  24. Mama Bird Recording Co.
  25. Man Bites Dog
  26. Manhaton/Cadiz
  27. Manhattan
  28. Manifesto
  29. Mànran/Cadiz
  30. Mansion
  31. Marathon Artists
  32. Maratone AB
  33. Mardev
  34. Margdon
  35. Marion-Lorraine
  36. Mark Erelli
  37. Mark Of The Leopard
  38. Marquis
  39. Marquis Classics
  40. Marsalis Music
  41. Marshall
  42. Marsis Jazz
  43. Martha's Music
  44. Martyr Inc
  45. Mascot
  46. Mass Appeal
  47. Massacre
  48. Masterswan Recordings
  49. Masterworks
  50. Matador
  51. Mausoleum
  52. MCA Nashville
  53. MCA Nashville/UMe
  54. McCoury Music
  55. McG Recordings
  56. McKhool/Red River
  57. MDDN/Kobalt
  58. MDI
  59. Mega Collider
  60. Mega/Gamma
  61. MegaCollider
  62. Megaforce
  63. Megaplum/ATO
  64. Megawave
  65. Mello Music Group
  66. Melodic Passion
  67. Melody Place
  68. Melvin
  69. Memphis Industries
  70. Memphis International
  71. Mercer Street/Downtown
  72. Mercury
  73. Mercury Classics
  74. Mercury Nashville
  75. Mercury Studios
  76. Mercury/Casablanca/UMe
  77. Mercury/UMe
  78. Merge
  79. Mesa/Bluemoon
  80. Mesquite St.
  81. Metal Blade
  82. Metalville
  83. Mexican Summer
  84. MFZB
  85. MI Media Group
  86. Mia & Jonah Music
  87. Mia Mind/Southern Stisles
  88. Mickey Thomas
  89. MIG/Art of Groove
  90. Mighty Loud
  91. Milan
  92. Militia Guard Music
  93. Milking Bull
  94. Milkshake Music
  95. Millenium Night/Peaceville
  96. Mint Condition/Kobalt
  97. Misfits
  98. Misfits Records
  99. Miss Freedomland
  100. Miss Molly