On Site Management (OSM) is a full-service general contracting and building firm that specializes in unique residential and ranch projects in Montana and Wyoming. Since 1987, OSM has been dedicated to excellent craftsmanship, using high-quality materials and following a proven project management process. They have completed award-winning luxury homes in areas such as Big Sky, Yellowstone Club, Teton Village, Jackson, Paradise, Gallatin, and Big Hole Valleys. OSM believes in the importance of partnerships with builders and architects to create exceptional designs. They offer services such as precise planning, material resources through their facility called The Yard, and a team of talented professionals who are committed to bringing clients' visions to life.