Fujinon - Fujinon
Fujifilm - Fujifilm Holdings Corporation
Lumix - Lumix
Mamiya Digital Imaging - Mamiya Digital Imaging Co. Ltd.
Mamiya Leaf - Mamiya Leaf
Konica Minolta - Konica Minolta
Nikon - Nikon Corporation
Olympus - Olympus
Picture Paradise - Picture Paradise
Pentax - Pentax Corporation
Sunpak - Sunpak
Tamron - Tamron Co. Ltd.
Tokina - Tokina Co. Ltd.
Yashica - Yashica Co. Ltd.
Konica - Konica Corporation
Marumi - Marumi Optical
Sigma - Sigma Corporation
Topcon - Topcon Corporation