Adobe, Agfa, Canon, Kodak, Fujifilm, HP, Microsoft, PhotoChannel Networks, PhotoWorks, PictureIQ, Polarid and Workstation.Com. Some big names in there and in total there are around 80 companies involved in DIG. DIG35 Metadata Specification is a method for recording information about a digital image, exposure, ownership, copyright, location etc. (taking EXIF headers to a whole new level). DIG35 has just been completed and is now available for downloaded.