Sterling Infrastructure (NASDAQ:STRL) reported quarterly earnings of $3.59 per share which beat the analyst consensus estimate of $2.01 by 78.61 percent. This is a 120.25 percent increase over earnings of $1.63 per share from the same period last year. The company reported quarterly sales of $825.675 million which beat the analyst consensus estimate of $603.577 million by 36.80 percent. This is a 91.59 percent increase over sales of $430.949 million the same period last year.