Nikon - Still Cameras
Canon - Still and Video Cameras, Inkjet Photo Printers
Sony - Still and Video Cameras, Dye Sublimation Printers
Kodak - Film
Fuji - Film
Panoscan - Panorama Scanning Systems
Paxcam - Panorama Scanning Systems
Crime Scene Virtual Reality Systems

Panoscan, Paxcam and Crime Scene VR are interesting because they demonstrate that nothing is impossible until you run out of money.  These systems are primarily designed for federal agencies and metro police departments that deal with felony crime scenes on a regular basis.  Nevertheless, it's useful to know what they can do even if you work for a cash-starved department.