Westport, Conn.--Cygnus Business Media announced Monday that it has acquired Asphalt Contractor from Chicago-based Mercor Media. Terms of the deal were not disclosed. The publication reaches 10,000 âon-roadâ commercial and industrial asphalt contractors. Cygnus currently publishes Pavement, which serves 20,000 âoff-roadâ residential and light commercial asphalt contractors. âAsphalt Contractor fits strategically into our Construction Equipment portfolio, which includes a large portfolio of leading publications, two national pavement trade shows and several Web sites,â said Paul Mackler, president-CEO of Cygnus Business Media, in a statement. Cygnus Business Media owns two pavement trade shows produced by its Cygnus Expositions division: National Pavement Expo and National Pavement Expo West.