6 Undervalued Energy Equipment & Services Stocks for Tuesday, December 23

By Omar Beirat
December 23, 2025
Diamond graphic indicating best value stocks in their industry
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Based on key financial metrics such as the price-to-sales ratio, shareholder yield and the price-earnings ratio, the following 6 stocks made the list for top value stocks in the Energy Equipment & Services industry. Those looking for value stocks to add to their portfolio may want to use this list as a starting point for further investment research.

Why Focus on Undervalued Energy Equipment & Services Stocks?

Value investors seek to buy stocks at a discount to their intrinsic value. Long-term returns show that such strategies are advantageous. Value stocks, as a group, tend to outperform growth stocks over extended periods of time. Typically, value investors perform financial analysis of numerous metrics, don’t follow the herd and are long-term investors.

AAII’s A+ Investor Value Grade is derived from a stock’s Value Score. The Value Score is the percentile rank of the average of the percentile ranks of the price-to-sales ratio, price-earnings ratio, enterprise-value-to-EBITDA (EV/EBITDA) ratio, shareholder yield, price-to-book-value ratio and price-to-free-cash-flow ratio. The score is variable, meaning it can consider all six ratios or, should any of the six ratios not be valid, the remaining ratios that are valid. To be assigned a Value Score, stocks must have a valid (non-null) ratio and corresponding ranking for at least two of the six valuation ratios.

What Goes Into AAII’s Value Grade?

Stock evaluation requires access to huge amounts of data as well as the knowledge and time to sift through it all, make sense of financial ratios, read income statements and analyze recent stock movement. AAII created A+ Investor, a robust data suite that condenses data research in an actionable and customizable way suitable for investors of all knowledge levels, to help investors with that task.

AAII’s proprietary stock grades come with A+ Investor. These offer intuitive A–F grades for more than just value. It is possible for a stock to appear cheap based on one valuation metric but appear expensive on another. It is also possible for one valuation ratio to be associated with outperforming stocks during certain periods of time but not others. Some stocks may even have null values for certain metrics like the price-earnings ratio or the price-to-book ratio but not others. An example of this would be a company with losses instead of profits or a negative book value because of heavy borrowing. Negative earnings or book value result in non-meaningful ratios that are left blank or null.

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6 Undervalued Energy Equipment & Services Stocks

Of course, there are countless value stocks that are worth mentioning, but this is a concise list of the top 6 undervalued stocks in the Energy Equipment & Services industry for Tuesday, December 23, 2025. Let’s take a closer look at their individual scores to see how they measure up against each other and the Energy Equipment & Services industry median.

Company Ticker Price/Sales Price/Earnings EV/EBITDA Shareholder Yield Price/Book Value Price/Free Cash Flow Value Grade
Forum Energy Technologies, Inc. FET 0.55 na 6.6 5.3% 1.41 5.6 A
Nabors Industries Ltd. NBR 0.19 3.6 4.1 (53.0%) 1.30 na A
Oceaneering International, Inc. OII 0.88 10.8 6.7 1.4% 2.73 22.4 B
RPC, Inc. RES 0.77 25.5 4.9 2.4% 1.09 29.3 B
WaterBridge Infrastructure LLC WBI na na 5.1 0.0% 1.48 na B
Select Water Solutions, Inc. WTTR 0.77 55.5 7.1 0.3% 1.39 na B

The Value Grade is assigned based on how each stock’s composite valuation compares to all other stocks.

The process for assigning grades starts with each variable for a given stock. The percentile rankings for all valid ratios that a stock has are calculated. So, for instance, a stock could have a price-to-book ranking in the 43rd percentile, a price-earnings ranking in the 67th percentile, a price-to-sales ranking in the 23rd percentile, etc. Then, those rankings are averaged for each stock. (A minimum of two valid variables are required, though all six will be used if available.)

Once the average of the individual variables is calculated, that average is ranked against all stocks. Put another way, each stock’s composite valuation is compared to all other stocks. These ranks are then sorted into quintiles from the cheapest 20% (a grade of A) to the most expensive 20% (a grade of F).

As always, we recommend that you conduct proper due diligence and research before investing in any security. We also suggest that investors utilize numerous grades, not just value, when it comes to deciding whether a company is a good fit for their allocation needs.

Forum Energy Technologies, Inc.’s Value Grade

Value Grade:

Metric Score FET Industry Median
Price/Sales 21 0.55 0.82
Price/Earnings na na 18.6
EV/EBITDA 16 6.6 7.0
Shareholder Yield 15 5.3% 0.1%
Price/Book Value 39 1.41 1.39
Price/Free Cash Flow 11 5.6 14.2

Forum Energy Technologies, Inc. designs, manufactures, and supplies products serving the oil, natural gas, industrial, and renewable energy industries in the United States and internationally. It operates through two segments, Drilling and Completions; and Artificial Lift and Downhole. The Drilling and Completions segment designs, manufactures, and supplies products and solutions to the drilling, subsea, coiled tubing, well stimulation, and intervention markets, including applications in oil and natural gas, renewable energy, defense, and communications industries. This segment also offers drilling capital equipment and consumable products; subsea remotely operated vehicles and trenchers, submarine rescue vehicles, specialty components and tooling, and technical services; hydraulic fracturing pumps, cooling systems, and high-pressure flexible hoses and flow iron; wireline cable and pressure control equipment; and coiled tubing strings and pressure control equipment, as well as coiled line pipe and related services. The Artificial Lift and Downhole Segment designs, manufactures, and supplies products and solutions for the artificial lift, well construction, production, and infrastructure markets. This segment also offers products designed to safeguard artificial lift equipment and downhole cables; well construction casing and cementing equipment; customized downhole technology solutions, which provides sand and flow control products for heavy oil applications; engineered process systems, production equipment, and separation equipment; and a range of industrial valves. It sells its products through distributors to drilling rig contractors, offshore service companies, governmental organizations, and oil and gas operators and producers. The company was formerly known as Forum Oilfield Technologies, Inc. and changed its name to Forum Energy Technologies, Inc. in August 2010. Forum Energy Technologies, Inc. was incorporated in 2005 and is headquartered in Houston, Texas.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Forum Energy Technologies, Inc. has a Value Score of 94, which is considered to be undervalued.

When you look at Forum Energy Technologies, Inc.’s price-to-sales ratio at 0.55 compared to the industry median at 0.82, this company has a lower price relative to revenue compared to its peers. This could make Forum Energy Technologies, Inc.’s stock more attractive for value investors.

Now, let’s assess Forum Energy Technologies, Inc.’s EV/EBITDA ratio, also known as enterprise multiple. At 6.6, when compared to the industry median of 7.0, the company may be considered undervalued in relation to its peers. Value investors could use the enterprise multiple to identify stocks that are considered overvalued or undervalued relative to their industry.

Shareholder yield is the sum of a stock’s dividend yield (paid over previous 12 months minus special dividends) and the percentage of net share buybacks over the previous 12 months. Forum Energy Technologies, Inc.’s shareholder yield is higher than its industry median ratio of 0.10%. Value investors may look for an attractive shareholder yield because it can be a powerful tool for identifying if the company has a good management team.

As one of the most common value metrics, the price-to-book ratio evaluates a company’s current market price relative to its book value. Forum Energy Technologies, Inc.’s price-to-book ratio is higher than its industry median ratio of 1.39. This could make Forum Energy Technologies, Inc. less attractive to investors looking for a new addition to their portfolio.

Lastly, let’s take a look at Forum Energy Technologies, Inc.’s price-to-free-cash-flow ratio (P/FCF), which can indicate a company’s market value relative to its operating cash flow. Forum Energy Technologies, Inc.’s price-to-free-cash-flow ratio is lower than its industry median ratio of 14.20. This could make Forum Energy Technologies, Inc. more attractive because the lower P/FCF ratio indicates that Forum Energy Technologies, Inc. is undervalued. The P/FCF ratio metric can also be viewed over a long-term time frame to see if the company's cash flow to share price value is generally improving or worsening.

Nabors Industries Ltd.’s Value Grade

Value Grade:

Metric Score NBR Industry Median
Price/Sales 8 0.19 0.82
Price/Earnings 3 3.6 18.6
EV/EBITDA 8 4.1 7.0
Shareholder Yield 90 (53.0%) 0.1%
Price/Book Value 36 1.30 1.39
Price/Free Cash Flow na na 14.2

Nabors Industries Ltd. provides drilling and drilling-related services for land-based and offshore oil and natural gas wells in the United States and internationally. The company operates through four segments: U.S. Drilling, International Drilling, Drilling Solutions, and Rig Technologies. It provides tubular running services, including casing and tubing running, and torque monitoring; managed pressure drilling services; and drilling-bit steering systems and rig instrumentation software. The company also offers drilling systems comprising ROCKit, a directional steering control system; SmartNAV, a collaborative guidance and advisory platform; SmartSLIDE, a directional steering control system; and RigCLOUD, a digital infrastructure that integrate applications to deliver real-time insight into operations across the rig fleet. In addition, it operates a fleet of land-based drilling rigs and marketed platforms rigs; manufactures and sells top drives, catwalks, wrenches, drawworks, and other drilling related equipment, such as robotic systems and downhole tools; and provides aftermarket sales and services for the installed base of its equipment. Nabors Industries Ltd. was founded in 1952 and is based in Hamilton, Bermuda.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Nabors Industries Ltd. has a Value Score of 85, which is considered to be undervalued.

Nabors Industries Ltd.’s price-earnings ratio is 3.6 compared to the industry median at 18.6. This means that it has a lower price relative to its earnings compared to its peers. This makes Nabors Industries Ltd. more attractive for value investors.

Nabors Industries Ltd.’s price-to-book ratio is higher than its peers. This could make Nabors Industries Ltd. less attractive for value investors when compared to the industry median at 1.39.

You can read more about Nabors Industries Ltd.’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

Oceaneering International, Inc.’s Value Grade

Value Grade:

Metric Score OII Industry Median
Price/Sales 30 0.88 0.82
Price/Earnings 20 10.8 18.6
EV/EBITDA 17 6.7 7.0
Shareholder Yield 35 1.4% 0.1%
Price/Book Value 61 2.73 1.39
Price/Free Cash Flow 54 22.4 14.2

Oceaneering International, Inc. provides engineered services and products, and robotic solutions to the offshore energy, defense, aerospace, manufacturing, and entertainment industries in the United States, Africa, the United Kingdom, Norway, Brazil, Asia, Australia, and internationally. It operates in Subsea Robotics, Manufactured Products, Offshore Projects Group, Integrity Management & Digital Solutions, and Aerospace and Defense Technologies segments. The company offers remotely operated vehicles (ROVs) for drill support and vessel-based services, such as subsea hardware installation, construction, pipeline inspection, survey and facilities inspection, maintenance, and repair; ROV tooling; and survey services, such as hydrographic survey, positioning services, and autonomous underwater vehicles for geoscience. It also provides distribution and connection systems, such as production control umbilicals and field development hardware, pipeline connection and repair systems, and subsea and topside control valves to the energy industry; and autonomous mobile robotic technology and entertainment systems to various industries. In addition, the company offers subsea installation and intervention products, including riserless light well intervention services, as well as inspection, maintenance, and repair services; installation and workover control systems, and ROV workover control systems; diving services; project management and engineering solutions; and drill pipe riser services and systems, and wellhead load relief solutions. Further, it provides asset integrity management services; software and analytical solutions for the bulk cargo maritime industry; and software, digital, and connectivity solutions for the energy industry, as well engineering and related manufacturing in defense and space exploration activities to the United States’ government agencies and their prime contractors. The company was founded in 1964 and is headquartered in Houston, Texas.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Oceaneering International, Inc. has a Value Score of 72, which is considered to be undervalued.

Oceaneering International, Inc.’s price-earnings ratio is 10.8 compared to the industry median at 18.6. This means that it has a lower price relative to its earnings compared to its peers. This makes Oceaneering International, Inc. more attractive for value investors.

Oceaneering International, Inc.’s price-to-book ratio is lower than its peers. This could make Oceaneering International, Inc. more attractive for value investors when compared to the industry median at 1.39.

You can read more about Oceaneering International, Inc.’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

RPC, Inc.’s Value Grade

Value Grade:

Metric Score RES Industry Median
Price/Sales 27 0.77 0.82
Price/Earnings 63 25.5 18.6
EV/EBITDA 10 4.9 7.0
Shareholder Yield 29 2.4% 0.1%
Price/Book Value 28 1.09 1.39
Price/Free Cash Flow 65 29.3 14.2

RPC, Inc., together with its subsidiaries, engages provision of a range of oilfield services and equipment for the oil and gas companies involved in the exploration, production, and development of oil and gas properties. The company operates through Technical Services and Support Services segments. The Technical Services segment offers pressure pumping, cementing, downhole tools, coiled tubing, snubbing, nitrogen, well control, wireline, and fishing services that are used in the completion, production, and maintenance of wells, as well as well control training. The Support Services segment provides a range of rental tools drill pipe and related tools, as well as pipe handling, pipe inspection and storage services. It rents its tools for use with onshore and offshore oil and gas well drilling, completion, and workover activities. It operates in Africa, Canada, Argentina, China, Mexico, Latin America, and the Middle East. The company was incorporated in 1984 and is headquartered in Atlanta, Georgia.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

RPC, Inc. has a Value Score of 71, which is considered to be undervalued.

RPC, Inc.’s price-earnings ratio is 25.5 compared to the industry median at 18.6. This means that it has a higher price relative to its earnings compared to its peers. This makes RPC, Inc. less attractive for value investors.

RPC, Inc.’s price-to-book ratio is higher than its peers. This could make RPC, Inc. less attractive for value investors when compared to the industry median at 1.39.

You can read more about RPC, Inc.’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

WaterBridge Infrastructure LLC’s Value Grade

Value Grade:

Metric Score WBI Industry Median
Price/Sales na na 0.82
Price/Earnings na na 18.6
EV/EBITDA 10 5.1 7.0
Shareholder Yield 48 0.0% 0.1%
Price/Book Value 41 1.48 1.39
Price/Free Cash Flow na na 14.2

WaterBridge Infrastructure LLC, water infrastructure company, provides water management solutions through integrated pipeline and water handling networks in the United States. It offers produced water handling and gathering pipeline services; brackish water, recycled water, and produced water solutions; and gas transportation services. The company was incorporated in 2025 and is headquartered in Houston, Texas.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

WaterBridge Infrastructure LLC has a Value Score of 78, which is considered to be undervalued.

WaterBridge Infrastructure LLC’s price-to-book ratio is lower than its peers. This could make WaterBridge Infrastructure LLC more attractive for value investors when compared to the industry median at 1.39.

You can read more about WaterBridge Infrastructure LLC’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

Select Water Solutions, Inc.’s Value Grade

Value Grade:

Metric Score WTTR Industry Median
Price/Sales 27 0.77 0.82
Price/Earnings 86 55.5 18.6
EV/EBITDA 19 7.1 7.0
Shareholder Yield 40 0.3% 0.1%
Price/Book Value 38 1.39 1.39
Price/Free Cash Flow na na 14.2

Select Water Solutions, Inc. provides water management and chemical solutions to the energy industry in the United States. It operates in three segments: Water Services, Water Infrastructure, and Chemical Technologies. The Water Services segment offers water-related services, including water sourcing, water transfer, flowback and well testing, water containment, fluids hauling, water monitoring, and water network automation; WaterONE automation services and AquaView software platform; technology solutions comprising hydrographic mapping, water volume and quality monitoring, remote pit and tank monitoring, leak detection, asset and fuel tracking, and automated-equipment services; and various surface rental equipment and workforce accommodation services. Its Water Infrastructure segment engages in the recycling, gathering, transferring, and disposal of water through a network of permanent pipeline infrastructure, semi-permanent pipeline infrastructure, water recycling facilities, earthen pits, water sources, and SWDs; provides solids management services; and develops, builds, and operates semi-permanent and permanent infrastructure solutions. The Chemical Technologies segment offers technical solutions, products, and services related to chemical applications in the oil and gas industry; and water treatment and flow assurance solutions. This segment also develops, manufactures, manages logistics, and provides chemicals, including polymers for use in hydraulic fracturing, stimulation, cementing, and well completions; and offers production chemical solutions for underperforming wells, corrosion and scale monitoring, chemical inventory management, well failure analysis, and lab services. It serves oil and gas producers. The company was formerly known as Select Energy Services, Inc. and changed its name to Select Water Solutions, Inc. in May 2023. Select Water Solutions, Inc. was incorporated in 2016 and is headquartered in Gainesville, Texas.

Stocks with a Value Score from 81 to 100 are considered deep value, those with a score between 61 and 80 are value and so on.

Select Water Solutions, Inc. has a Value Score of 61, which is considered to be undervalued.

Select Water Solutions, Inc.’s price-earnings ratio is 55.5 compared to the industry median at 18.6. This means that it has a higher price relative to its earnings compared to its peers. This makes Select Water Solutions, Inc. less attractive for value investors.

Select Water Solutions, Inc.’s price-to-book ratio is lower than its peers. This could make Select Water Solutions, Inc. fairly attractive for value investors when compared to the industry median at 1.39.

You can read more about Select Water Solutions, Inc.’s key financial metrics like shareholder yield, price-to-free-cash-flow and EV/EBITDA ratio, or learn more about its Momentum and Growth Grades, by subscribing to A+ Investor.

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Other Energy Equipment & Services Stock Grades

Value is just one of the five Stock Grades included in our A+ Investor service. AAII members can see the top-graded stocks—those with grades of A or B for value, growth, momentum, earnings estimate revisions and quality—on the A+ Stock Grades Screener.

Also, if you want full access to all of AAII’s premium services, you can subscribe to one convenient bundled plan called AAII Platinum where you can try out A+ Investor, AAII Dividend Investing, the Stock Superstars Report, Growth Investing and VMQ Stocks. With the other premium services, you can dive deep into additional metrics, portfolios, commentary and information about Energy Equipment & Services stocks as well as other industrys.

Choosing Which of the 6 Best Energy Equipment & Services Stocks Is Right for You

Choosing which value stocks to invest in will ultimately depend on your individual goals and allocation; however, comparing similar value stocks in the same industry can help you analyze which might be better investments for you in the long run. So, let’s take a look at the Value Grade for all of our stocks.

  • Forum Energy Technologies, Inc. stock has a Value Grade of A.
  • Nabors Industries Ltd. stock has a Value Grade of A.
  • Oceaneering International, Inc. stock has a Value Grade of B.
  • RPC, Inc. stock has a Value Grade of B.
  • WaterBridge Infrastructure LLC stock has a Value Grade of B.
  • Select Water Solutions, Inc. stock has a Value Grade of B.

Now that you have a bit more background about each of the 6 undervalued stocks in the Energy Equipment & Services industry as well as their overall grades, it’s time for you to conduct additional research to see if these could fit your portfolio needs based on your goals and risk tolerance. AAII can help you figure out both and identify which investments align with what works best for you.

We do so through a program of education that teaches you to invest for yourself and become an effective manager of your own wealth—no more relying on others for your financial independence. You can rely on AAII for timeless articles on financial planning and stock-picking, unbiased research and actionable analysis that makes you a better investor.

A+ Investor adds to that qualitative teaching by giving you a powerful data suite that helps you whittle down investment decisions to find stocks, exchange-traded funds (ETFs) or mutual funds that meet your needs.

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Additional Resources About Energy Equipment & Services Stocks

Want to learn more about Energy Equipment & Services stocks to see if they could be the right investment for you? Check out some additional resources and articles to help you on your financial journey.

AAII Disclaimer

We make no representations or warranties that any investor will, or is likely to, achieve profits similar to those shown, because past, hypothetical or simulated performance is not necessarily indicative of future results. Before making an investment decision, you should consider your circumstances and whether the information on our content is applicable to your situation. This information was prepared in good faith and we accept no liability for any errors or omissions. The full disclaimer can be read here.



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