- J-Collection (Japan/China, diecast, Japanese models 1:43)
- Jada Toys (USA/China, diecast, part of Simba dickie group)
- Jade Miniatures (France, resin)
- Jadi Modelcraft (China, diecast)
- Jigamaree (South Korea/China, diecast and resin)
- Jimmy Flintstone (USA, resin)
- John Day (UK, white metal kis and handmade models)
- John Shinton Models (UK, metal)
- Johnny Lightning (USA/China, diecast)
- Jotus (China, resin)
- Joy City (China, diecast)