Natural Gas Services Group Inc is an oil and gas equipment and services company. Its operations focus on the manufacturing, rental, and sale of natural gas compression equipment. The company generates the majority of its revenue by renting out low- to medium-horsepower compression equipment to natural gas production companies. The vast majority of its rental segment's activities occur in unconventional oil and gas regions of the United States. The company also generates sales revenue by selling its natural gas compression equipment, along with industrial flare systems for oil and gas plant and production facilities.