R&S Life Line Domes, LLC - 1918 Cole Street, West Plains, MO  65775. The Mission of R&S Lifeline Domes LLC is to provide innovative and top quality products that will help improve people's lives. Our responsibility is to satisfy the needs of those we consider our friends and family, which are the businesses and individuals who purchase or use our products. (Photo: Trent's Dome in Flag Pond, Tennessee. "Hobbit House").