Quanta Services (NYSE:PWR) reported quarterly earnings of $2.68 per share which beat the analyst consensus estimate of $2.06 by 30.1 percent. This is a 50.56 percent increase over earnings of $1.78 per share from the same period last year. The company reported quarterly sales of $7.875 billion which beat the analyst consensus estimate of $6.998 billion by 12.52 percent. This is a 27.02 percent increase over sales of $6.200 billion the same period last year.