Navajo Code Talkers
There were 35 US American Indian Tribal Nations who were Code Talkers, in addition to the Navajo. Plus the Cree Nation in Canada who served under US Command.
They include for WWI: tribal members from the Cherokee, Cheyenne, Chickasaw, Choctaw, Comanche, Creek, Meskwaki, Mohawk, Osage, Pawnee, Ponca & Sioux (Yankton, Cheyenne River, Crow Creek, Santee, Standing Rock).
For WWII they include: Central Council of Tlingit and Haida Tribes, Cherokee Nation, Cheyenne and Arapaho Tribes, Cheyenne River Sioux Tribe, Choctaw Nation, Comanche Nation, Crow Creek Sioux Tribe, Crow Tribe, Fond du Lac Band of Lake Superior Chippewa, Fort Peck Assiniboine and Sioux Tribes, Ho-Chunk Nation (Wisconsin), Hopi Tribe, Kiowa Tribe, Laguna Pueblo, Lower Brule Sioux Tribe, Menominee Nation, St. Regis Mohawk Tribe, Muscogee Nation, Oglala Sioux Tribe, Oneida Nation (Wisconsin), Osage Nation, Pawnee Nation, Ponca Tribe (Oklahoma), Pueblo of Acoma, Rosebud Sioux Tribe, Sac and Fox Tribe (Iowa), Santee Sioux Tribe, Seminole Nation (Oklahoma), Sisseton Wahpeton Oyate, Standing Rock Sioux Tribe, Tonto Apache Tribe, White Mountain Apache Tribe, and Yankton Sioux Tribe.
source with copies of their medals