120 (medium format) film is supplied on rolls without a cartridge, for 6×4.5 to 6×9 cameras. Fewer labs handle 120 than 35mm, and pricing is often quoted per roll.
3 labs
77 Shimogamo Kamikawarachō, Sakyo Ward, Kyoto, 606-8353 / 606-0812, Japan
296-1 Komeyachō, Kamigyo Ward, Kyoto 602-0846, Japan
3-chōme-9-2 Imazato, Nagaokakyo, Kyoto 617-0814, Japan