Jenny Packard, known as Miss Jenny, is a friendly Irish woman who is the owner of the Sodor Construction Company, and takes responsibility for a number of the bigger building projects around Sodor. She took over the company from her father, who founded the company.
When she is pleased with someone, she compliments him/her with "Ye'd make a mother proud!".
- Season 6 - Jack Jumps In and A Friend in Need
- The Pack - A Visit from Thomas, Jack Owns Up, On Site with Thomas, Kelly's Windy Day, A Happy Day for Percy, A Tale for Thomas, Thomas and the Moles, Percy Helps Out, The Tortoise and the Hare, Thomas' Trusty Friends, Alfie Has Kittens, and Mud, Glorious Mud
- Season 12 - Percy and the Bandstand (does not speak)