About us Standard Excavating & Hailing Inc. of Boone NC Specializes In: Land Developing, Grading and Excavating, Driveway Grading, Clearing and Grubbing, Storm Drainage, Erosion Control, Drilling and Blasting, Hauling - Gravel and Water and Sewer Lines. H Rock Construction, Inc. & Standard Excavating & Hailing Inc of Boone NC was founded in 1979, on quality assurance, work performance, and reasonable pricing, and remains the same today. We serve Watauga, Ashe, Avery, Alleghany, Wilkes, and Caldwell Counties of Western North Carolina and the Western North Carolina High Country of Blowing Rock, Banner Elk and Boone NC for Grading and Excavating Construction Projects.