- Herpa Models
- Hi-Tech Details
- ITLA Scale Models
- Intermountain
- Kadee
- Kalmbach Book
- Kato
- Kato Unitrack
- Juneco
- Labelle-Lubricants
- Microscale Decal
- Micro Engineering
- Midwest Cork
- Miniatronics Corp
- Morning Sun Book
- Monroe Models
- NCE
- New Rail Models
- NMRA
- Noch Scenery
- Panpastel
- Peco
- Pikestuff
- Preiser Kg
- Rapido Trains