Natural Gas Services Gr (NYSE:NGS) reported quarterly earnings of $0.32 per share which missed the analyst consensus estimate of $0.37 by 14.21 percent. This is a 39.13 percent increase over earnings of $0.23 per share from the same period last year. The company reported quarterly sales of $46.149 million which beat the analyst consensus estimate of $44.104 million by 4.64 percent. This is a 13.51 percent increase over sales of $40.658 million the same period last year.