Mammoth Energy Services (NASDAQ:TUSK – Get Free Report) and Natural Gas Services Group (NYSE:NGS – Get Free Report) are both small-cap energy companies, but which is the superior investment? We will contrast the two companies based on the strength of their dividends, valuation, analyst recommendations, risk, institutional ownership, profitability and earnings.
Risk & Volatility
Mammoth Energy Services has a beta of 1.07, suggesting that its stock price is 7% more volatile than the S&P 500. Comparatively, Natural Gas Services Group has a beta of 0.45, suggesting that its stock price is 55% less volatile than the S&P 500.
Profitability
This table compares Mammoth Energy Services and Natural Gas Services Group’s net margins, return on equity and return on assets.
| Net Margins | Return on Equity | Return on Assets | |
| Mammoth Energy Services | 17.05% | -3.27% | -2.50% |
| Natural Gas Services Group | 10.81% | 8.10% | 3.70% |
Earnings and Valuation
This table compares Mammoth Energy Services and Natural Gas Services Group”s gross revenue, earnings per share (EPS) and valuation.
| Gross Revenue | Price/Sales Ratio | Net Income | Earnings Per Share | Price/Earnings Ratio | |
| Mammoth Energy Services | $44.29 million | 3.42 | $4.60 million | $0.29 | 10.86 |
| Natural Gas Services Group | $172.32 million | 2.36 | $19.93 million | $1.61 | 19.60 |
Natural Gas Services Group has higher revenue and earnings than Mammoth Energy Services. Mammoth Energy Services is trading at a lower price-to-earnings ratio than Natural Gas Services Group, indicating that it is currently the more affordable of the two stocks.
Insider and Institutional Ownership
79.7% of Mammoth Energy Services shares are owned by institutional investors. Comparatively, 65.6% of Natural Gas Services Group shares are owned by institutional investors. 2.0% of Mammoth Energy Services shares are owned by insiders. Comparatively, 3.1% of Natural Gas Services Group shares are owned by insiders. Strong institutional ownership is an indication that large money managers, hedge funds and endowments believe a company will outperform the market over the long term.
Analyst Recommendations
This is a breakdown of current recommendations and price targets for Mammoth Energy Services and Natural Gas Services Group, as provided by MarketBeat.
| Sell Ratings | Hold Ratings | Buy Ratings | Strong Buy Ratings | Rating Score | |
| Mammoth Energy Services | 1 | 0 | 0 | 0 | 1.00 |
| Natural Gas Services Group | 0 | 2 | 2 | 0 | 2.50 |
Natural Gas Services Group has a consensus target price of $50.50, suggesting a potential upside of 60.02%. Given Natural Gas Services Group’s stronger consensus rating and higher possible upside, analysts plainly believe Natural Gas Services Group is more favorable than Mammoth Energy Services.
Summary
Natural Gas Services Group beats Mammoth Energy Services on 9 of the 13 factors compared between the two stocks.
About Mammoth Energy Services
Mammoth Energy Services, Inc. operates as an energy services company in the United States, Canada, and internationally. The company operates in four segments: Well Completion Services, Infrastructure Services, Natural Sand Proppant Services, and Drilling Services. The company offers pressure pumping and hydraulic fracturing, sand hauling, and water transfer services; and master services agreements. It also provides a range of services on electric transmission and distribution, and networks and substation facilities, including engineering, design, construction, upgrade, maintenance, and repair of high voltage transmission lines, substations, and lower voltage overhead and underground distribution systems; storm repair and restoration services; and commercial services comprising installation, maintenance, and repair of commercial wiring. In addition, the company mines, processes, and sells natural sand proppant used for hydraulic fracturing; buys processed sand from suppliers on the spot market for resale; and provides logistics solutions to facilitate delivery of frac sand products. Further, it offers contract land and directional drilling services; and rig moving services. Additionally, the company offers aviation services, equipment rental, remote accommodation, and equipment manufacturing services. It serves government-funded, private, public investor-owned, and co-operative utilities; independent oil and natural gas producers; and land-based drilling contractors. The company was formerly known as Mammoth Energy Partners LP and changed its name to Mammoth Energy Services, Inc. in October 2016. Mammoth Energy Services, Inc. was founded in 2014 and is headquartered in Oklahoma City, Oklahoma.
About Natural Gas Services Group
Natural Gas Services Group, Inc. provides natural gas compression equipment and services to the energy industry in the United States. It engineers and fabricates, operates, rents, and maintains natural gas compressors for oil and natural gas production and plant facilities. It also designs, fabricates, and assembles compressor units for rental or sale; and designs, manufactures, and sells a line of reciprocating natural gas compressor frames, cylinders, and parts. In addition, the company offers flare stacks and related ignition and control devices for the onshore and offshore incineration of gas compounds, such as hydrogen sulfide, carbon dioxide, natural gas, and liquefied petroleum gases. Further, it provides aftermarket services for its compressor and flare sales business; and exchange and rebuild program for small horsepower screw compressors. It markets its products to exploration and production companies that utilize compressor units for artificial lift applications; and oil and natural gas exploration and production companies. Natural Gas Services Group, Inc. was incorporated in 1998 and is headquartered in Midland, Texas.
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