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Cornerstone Development is a general contracting company with almost three decades of experience in site work and excavation. We offer a wide range of services, including general contracting, retaining walls, footings and foundations, roads, trucking, clearing and grubbing, ponds and lakes, soil compaction, demolition, storm piping, bridges and culverts, water main and lines, sewer lines, and trenching. Our equipment is company-owned and regularly maintained to ensure a safe and reliable job site. We work with Upright Building Systems to provide turn-key services, including building construction.