All Record Labels

  1. Los Cenzontles
  2. Losing Side
  3. Lost Again
  4. Lost Highway
  5. Lost Toy People
  6. Loud & Proud
  7. Love & War
  8. Loveway/Sire
  9. Luaka Bop
  10. Lucas Gambit
  11. Lucinda Williams Music
  12. Lucky
  13. Lucky Chip Music
  14. Lucky Number
  15. LuckyMe
  16. Ludlow TFC
  17. Luna Park
  18. Lunacy Unlimited
  19. M.C. Records
  20. M.O.D. Technologies
  21. Mac's Record Label
  22. Machair/Cadiz
  23. Machine Shop/Warner Bros.
  24. Mack Avenue
  25. Mack Avenue/Rendezvous
  26. Macklemore
  27. Mad Decent
  28. Mad Tiki
  29. Made
  30. Made In Germany (MIG)
  31. Made In Germany Music
  32. Madfish
  33. Mae Music
  34. Maeby Music
  35. Magna Carta
  36. Magnatude
  37. Magnolia Music
  38. Mailboat
  39. Main Man
  40. MainMan
  41. Majik Ninja
  42. Majordomo
  43. Majordomo/Shout! Factory
  44. Malaco
  45. Mama Barra
  46. Mama Bird Recording Co.
  47. Man Bites Dog
  48. Manhaton/Cadiz
  49. Manhattan
  50. Manifesto
  51. Mànran/Cadiz
  52. Mansion
  53. Marathon Artists
  54. Maratone AB
  55. Mardev
  56. Margdon
  57. Marion-Lorraine
  58. Mark Erelli
  59. Mark Of The Leopard
  60. Marquis
  61. Marquis Classics
  62. Marsalis Music
  63. Marshall
  64. Marsis Jazz
  65. Martha's Music
  66. Martyr Inc
  67. Mascot
  68. Mass Appeal
  69. Massacre
  70. Masterswan Recordings
  71. Masterworks
  72. Matador
  73. Mausoleum
  74. MCA Nashville
  75. MCA Nashville/UMe
  76. McCoury Music
  77. McG Recordings
  78. McKhool/Red River
  79. MDDN/Kobalt
  80. MDI
  81. Mega Collider
  82. Mega/Gamma
  83. MegaCollider
  84. Megaforce
  85. Megaplum/ATO
  86. Megawave
  87. Mello Music Group
  88. Melodic Passion
  89. Melody Place
  90. Melvin
  91. Memphis Industries
  92. Memphis International
  93. Mercer Street/Downtown
  94. Mercury
  95. Mercury Classics
  96. Mercury Nashville
  97. Mercury Studios
  98. Mercury/Casablanca/UMe
  99. Mercury/UMe
  100. Merge