Brands
- M Allen
- M Jacobs
- M Johnstone
- M&A Utica
- Mackays
- Made in Siam
- Majorica
- Malcolm Grey
- Manchester
- Mappin & Webb
- Marathon
- Marcel & Cie
- Mark Charles Hutchinson
- Marklin
- marutomaware
- Marx
- Masorett
- Matchbox
- Maurice Lacroix
- Maynard & Taylor
- McDonnell
- Meerschaum
- Meistersinger
- Meneses Orfebres of Madrid
- Mentor
- Meriden
- Metropolitan Museum Of Art MMA
- Mexican
- Mexican Artisan
- Meyers
- MID CENTURY
- Mido