U.S. Concrete partners with Andretti Autosport Andretti Autosport announced today the addition of a newpartner as national ready-mixed concrete producer U.S. Concrete enters IndyCarcompetition for the first time, paired with third-generation racer MarcoAndretti. U.S. Concrete, a leader in concrete manufacturing and green building,has joined the team to brand the No. 98 Honda for six Verizon IndyCar Seriesraces including Long Beach, Indianapolis [Grand Prix and Indy 500], Texas,Pocono and Sonoma.