Quanta Services (NYSE:PWR) reported quarterly earnings of $4.24 per share which beat the analyst consensus estimate of $3.30 by 28.48 percent. This is a 70.97 percent increase over earnings of $2.48 per share from the same period last year. The company reported quarterly sales of $9.556 billion which beat the analyst consensus estimate of $8.613 billion by 10.95 percent. This is a 41.09 percent increase over sales of $6.773 billion the same period last year.