Claflin Excavating is a growing earthwork construction contractor in Flandreau, South Dakota with values based on hard work, quality and family. Claflin Excavating serves the public and private construction sectors, specializing in earthwork, site demolition, retaining walls, box culverts, environmental remediation, site utilities, heavy haul trucking and aggregate hauling services. We own and operate a fleet of Caterpillar scrapers, dozers, excavators, and motor graders all equipped with GPS.