Northwest Pipe (NASDAQ:NWPX) reported quarterly earnings of $1.62 per share which beat the analyst consensus estimate of $1.33 by 21.8 percent. This is a 78.02 percent increase over earnings of $0.91 per share from the same period last year. The company reported quarterly sales of $159.476 million which beat the analyst consensus estimate of $154.714 million by 3.08 percent. This is a 19.74 percent increase over sales of $133.182 million the same period last year.