Ritterbush-Ellig-Hulsing P.C. Share: Architecture Ritterbush-Ellig-Hulsing P.C. 711 Riverwood Drive, Ste #1 Bismarck, ND 58504-6220 (701) 223-7780 Map What's Nearby? Distance: 5 10 15 20 25 50 mi.