Brands – L
- La Tromba - Das Original
- Laka
- Lanikai
- Larica
- Lark
- Larsen
- Latin Percussion
- Lauren-Spencer
- Laurence King Publishing
- Lawrence
- Leather Specialties
- Leatherwood
- Leblanc
- Lee Oskar
- Legere
- Leu Verlag
- Leuchtturm1917
- Levy's
- Linnd
- Little Snoring Ltd.
- LM Guitar Straps
- Lorenz Publishing Company
- LR Baggs
- Luthier
- Luyben