Martin Marietta Materials (NYSE:MLM) reported quarterly earnings of $5.00 per share which beat the analyst consensus estimate of $4.75 by 5.26 percent. This is a 7.92 percent decrease over earnings of $5.43 per share from the same period last year. The company reported quarterly sales of $1.947 billion which beat the analyst consensus estimate of $1.867 billion by 4.31 percent. This is a 7.51 percent increase over sales of $1.811 billion the same period last year.