E-6 is the reversal process for color slide (transparency) film such as Fujichrome and Ektachrome. It requires dedicated chemistry and tight temperature control, so fewer labs offer it than C-41.
11 labs
BIRDS 1F, 3-1-3 Konandai, Konan-ku, Yokohama, Kanagawa 234-0054, Japan
1-1-1 Hiyoshihonchō, Kohoku Ward, Yokohama, Kanagawa 223-0062, Japan
Mosaic Mall Kohoku, B1F, 1-31-1-0160 Nakagawachuo, Tsuzuki Ward, Yokohama, Kanagawa 224-0003, Japan
127 Nanashimachō, Kanagawa Ward, Yokohama, Kanagawa 221-0061, Japan
1F, Yokohama Joinus, 1-5-1 Minamisaiwai, Nishi-ku, Yokohama, Kanagawa 220-0005, Japan
1-chōme-2-7 Kitasaiwai, Nishi Ward, Yokohama, Kanagawa 220-0004, Japan
189-1 Kawakamichō, Totsuka Ward, Yokohama, Kanagawa 244-0805, Japan
Yokohama More's, 4th Floor, 1-3-1 Minamisaiwai, Nishi Ward, Yokohama, Kanagawa 220-0005, Japan
2-5-1 Hashido, Seya-ku, Yokohama, Kanagawa 246-0037, Japan
5-chome-1-3 Utsukushigaoka, Aoba Ward, Yokohama, Kanagawa 225-0002, Japan
115B, 1-1-1 Kasama, Sakae-ku, Yokohama, Kanagawa 247-0006, Japan