Seventh Day Baptists
The sabbath is one of the defining characteristics of seventh-day denominations, including Seventh Day Baptists, Sabbatarian Adventists (Seventh-day Adventists, Davidian Seventh-day Adventists, Church of God (Seventh Day) conferences, etc), Sabbatarian Pentecostalists (True Jesus Church, Soldiers of the Cross Church, and others), Armstrongism