All Record Labels

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