Natural Gas Services Gr (NYSE:NGS) reported quarterly earnings of $0.53 per share which beat the analyst consensus estimate of $0.45 by 17.78 percent. This is a 39.47 percent increase over earnings of $0.38 per share from the same period last year. The company reported quarterly sales of $48.467 million which beat the analyst consensus estimate of $47.125 million by 2.85 percent. This is a 17.12 percent increase over sales of $41.383 million the same period last year.