William C. Ensor

The National Asphalt Pavement Association is a trade association that advocates for the interests of asphalt producers and contractors on a national level. The non-profit company is based in Riverdale, MD. The company works with Congress, government agencies, and other trade and business organizations.

Maryland Paving, Inc. supplies hot mix asphalt and paving. The firm offers asphalt pavement, warm mix asphalt, cold patch, recycled products and porous pavement. The company was founded in 1964 and is headquartered in Timonium, MD.