50 selected
- Not filled in
- M.k.m ?
- M.P.A.N
- Maastricht Porselein
- Made in Belgium
- Made in Germany
- Magvam
- Maling
- Mammoet Hotelporselein
- Manifattura SC3
- Manufacture impérial royal NIMY
- Mars
- Mary Rose Young
- Marzi & Remy
- Mason's, England
- Matix Souvenirs BV
- Max Roesler Rodach-RMR
- Mayfair
- Mc Coy
- McDonald's
- Meissen
- Mel ceramics
- Melitta
- Mepal Rosti
- Mercis
- Mertens
- Mettlach
- MG
- Miko.NL
- Milano
- Minton
- Minton Hollins & Co, Stoke-on-Trent
- Mitterteich Porzellan, Bavaria
- MKM Max Krüger Mosheim
- Mo Design Elementa Ceramica
- Mobach
- Moerings, Adrie
- Monopoli
- Morenso International BV
- Morley Fox
- Mosa, Maastricht
- Moulin des Loups
- Moulin des Loups & Hamage
- Moulins des Loups
- Mueller
- Muhlbach
- Mundary
- Murano
- Muvelex
- Myott & Son
- MZ Czechoslovakia