H.N. Donahoo has complete projects for Winn-Dixie at Helena, Greystone Park, John Carroll High School, Kensington Place and Charleston Square. The company specializes in land grading and site development contracting. H.N. Donahoo started doing business in Alabama in the early 1920s and specialized in paving, sewer, water and gas pipelines. Over the years, the company has become a one-stop source for residential and commercial site development needs. The company has the capability to perform initial clearing and grading for streets, building pads, parking lots, mass excavation of dirt and rock and erosion control; installation of underground utilities, such as storm and sanitary pipes, water mains, gas lines and electrical and telephone conduits; concrete gutter construction, which includes curbs and gutters, concrete islands, sidewalks and driveways; and asphalt paving. H.N. Donahoo Contracting serves residential and commercial customers in the Birmingham, Ala., area.