91 selected
- M & L
- M + D
- Mabar
- Mafen
- Mainline
- Majorette
- Makette
- Mantua
- Märklin
- Märklin 0 gauge
- Märklin 1 gauge
- Märklin Alpha
- Märklin Antex
- Märklin Hamo
- Märklin Miniclub
- Märklin My World
- Märklin Primex
- Marks
- Marks Kleinkunst
- Marx
- Masterpiece
- Masutoku
- Matchbox
- Mathieson
- Max
- MBZ
- McGowan
- MCH
- MD Trains
- MDS-Modell
- Mecanic
- Medford |Trains
- Mehano
- Menta-modellbau
- Menzel Modell
- Mercury
- Merit
- Merker + Fischer
- Merrimack Publ. Corp.
- Merten
- Mestarimallit
- Metropoli
- Mettoy
- MF TRAIN
- Michael Mende
- Micro Ace
- Micro Traction
- Micro Trains
- Micro-Trains
- Midgetoy
- Midoriya
- Mignon
- Mikadotrain
- Mike Howarth
- Mill Lane Sidings
- Mini Train Expo
- Miniature Locomotive Works
- Miniatures by Eric
- Minibahn
- Minitown
- MiniTrain
- MinitrainS
- Minitrix
- Minitrix push toys
- Mistral
- Miyazawa
- MK Modelbouwstudio's
- MKM models
- MO-Miniatur
- Model Icon
- Model Power
- Model Railroad Customizing The Rip Track
- Model Tech Studios
- Modelbouwcentrum Vlaanderen
- Modellbahn Union
- Modellbahn-Austria
- Modellbahn-Depot
- ModelSpoor Centrum Culemborg
- Modelspooratelier MTK
- Modelworks
- Modemo
- More
- More Co
- MRC
- MRC Scale Models
- MSL Hobbies
- MTB
- MTH
- MTK
- MTR Corporation
- MW-Modell
- Not filled in