Gradeline Construction Company has been pushing the boundaries of the asphalt paving industry. Gradeline offers clients decades of expertise, while sharing the common goal of quality work with cost efficiency. We offer quick and competitive quotes to provide remarkable customer satisfaction, starting in the preliminary stages of a client’s project. Gradeline regularly works with Baltimore area property management firms, national and local general contractors, national and regional utility suppliers, and the State of Maryland along with SHA. Gradeline is also a certified and approved contractor for Anne Arundel County, Baltimore County, Harford County, Howard County, Prince George’s County, Baltimore City among other municipalities. Our service covers Maryland, Southern Pennsylvania, Delaware, Washington D.C, and Northern Virginia. We bring our top quality workmanship to all jobs, no matter the location or size. In addition, we provide outstanding field supervision for continuous on-site management and safety execution.