What production company worked on The Muppet Christmas Carol and Treasure Island?
The Muppet Christmas Carol:  The film was produced and directed by Brian Henson for Jim Henson Productions and released by Walt Disney Pictures. Treasure Island (1950 film): Treasure Island is a 1950 live action adventure film produced by Walt Disney Productions, adapted from the Robert Louis Stevenson's 1883 novel "Treasure Island".
Walt Disney