1. Langdon Building Center 212 9th Ave E, Langdon, ND 58249 Coordinate: 48.76062,-98.36031 Phone: (701) 256-5191
2. Marcotte Builders Supply Co 613 3rd St, Langdon, ND 58249 Coordinate: 48.7586,-98.368 Phone: (701) 256-2193