Rust-Unger Monuments Was Established In Columbus In The 1860s & Has Always Been Locally Owned & Operated. All Of Rust-Ungers Monuments & Markers Come From The Finest Granite Quarries Around The World. Monday - Friday 8:00 a.m. - 5:00 p.m. & Saturday 9:00 a.m. - 12:00 p.m.