Quanta Services (NYSE:PWR) reported quarterly earnings of $2.48 per share which beat the analyst consensus estimate of $2.45 by 1.31 percent. This is a 30.53 percent increase over earnings of $1.90 per share from the same period last year. The company reported quarterly sales of $6.773 billion which beat the analyst consensus estimate of $6.562 billion by 3.22 percent. This is a 21.08 percent increase over sales of $5.594 billion the same period last year.