Resources for Film Preservation and Transfers:
Please note, I cannot make any first-hand recommendations of these resources.
8mm and 16mm professional transfers: VideoMedia (also 9.5mm), Montreal — Exclusive Film and Video, Toronto — Little Film (Brodsky & Treadway), Greater Boston area — Pro8mm, Burbank, California — Shai Drori, Israel (8, 9.5, 16, & 35 mm)
Henry Wilhelm’s Wilhelm Imaging Research site also has his landmark 1993 book The Permanence and Care of Color Photographs: Traditional and Digital Color Prints, Color Negatives, Slides, and Motion Pictures available as an 80 MB PDF. I’ve had the book since it first came out.
The Image Permanence Institute provides resources and information about film preservation.
The closure of the last Kodachrome processing line at the end of 2010 caused me to research options for processing obsolete still and motion picture films. I do not have any personal experience with any of these, but here are a few:
Film Rescue International, Indian Head, SK, Canada — Rapid Photo Imaging Center, Clarks Summit, PA, USA — Rocky Mountain Film Laboratory, Aurora, CO, USA — Process C22, Margate, UK