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 Monday, December 01, 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.

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.

Helix Energy Solutions Group, Inc.’s Value Grade

Value Grade:

Helix Energy Solutions Group, Inc., together with its subsidiaries, an offshore energy services company, provides specialty services to the offshore energy industry in Brazil, the United States, North Sea, the Asia Pacific, West Africa, and internationally. The company operates through four segments: Well Intervention, Robotics, Production Facilities, and Shallow Water Abandonment segments. It engages in the installation of flowlines, control umbilicals, and manifold assemblies and risers; trenching and burial of pipelines; installation and tie-in of riser and manifold assembly; commissioning, testing, and inspection; and cable and umbilical lay. The company also provides well intervention, intervention engineering, and production enhancement services; coiled tubing operations; and inspection, repair, and maintenance IRM of production structures, trees, jumpers, risers, pipelines, and subsea equipment, as well as related support services. In addition, it offers reclamation and remediation services; well plug and abandonment P&A; services; pipeline, cable and umbilical abandonment services; and site inspections. Additionally, the company offers oil and natural gas processing facilities and services; and fast response system, as well as site clearance and subsea support services. Further, it provides offshore oilfield decommissioning and reclamation, subsea infrastructure flushing and abandonments, platform decommissioning and structure removals, subsea site clearance, project management, engineered solutions, intervention, maintenance, repair, heavy lift, and commercial diving services. It serves independent oil and gas producers and suppliers, pipeline transmission companies, renewable energy companies, and offshore engineering and construction firms. The company was formerly known as Cal Dive International, Inc. and changed its name to Helix Energy Solutions Group, Inc. in March 2006. The company was incorporated in 1979 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.

Helix Energy Solutions Group, Inc. has a Value Score of 83, which is considered to be undervalued.

When you look at Helix Energy Solutions Group, Inc.’s price-to-sales ratio at 0.76 compared to the industry median at 0.87, this company has a lower price relative to revenue compared to its peers. This could make Helix Energy Solutions Group, Inc.’s stock more attractive for value investors.

Helix Energy Solutions Group, Inc.’s price-earnings ratio is 23.60 compared to the industry median at 17.30. This means it has a higher share price relative to earnings compared to its peers. This could make Helix Energy Solutions Group, Inc. less attractive for value investors.

Now, let’s assess Helix Energy Solutions Group, Inc.’s EV/EBITDA ratio, also known as enterprise multiple. At 7.7, when compared to the industry median of 7.0, the company may be considered overvalued 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. Helix Energy Solutions Group, 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. Helix Energy Solutions Group, Inc.’s price-to-book ratio is lower than its industry median ratio of 1.31. This could make Helix Energy Solutions Group, Inc. more attractive to investors looking for a new addition to their portfolio.

Lastly, let’s take a look at Helix Energy Solutions Group, Inc.’s price-to-free-cash-flow ratio (P/FCF), which can indicate a company’s market value relative to its operating cash flow. Helix Energy Solutions Group, Inc.’s price-to-free-cash-flow ratio is lower than its industry median ratio of 16.50. This could make Helix Energy Solutions Group, Inc. more attractive because the lower P/FCF ratio indicates that Helix Energy Solutions Group, 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:

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 3.4 compared to the industry median at 17.3. 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 lower than its peers. This could make Nabors Industries Ltd. fairly attractive for value investors when compared to the industry median at 1.31.

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.

North American Construction Group Ltd.’s Value Grade

Value Grade:

North American Construction Group Ltd. provides mining and heavy civil construction services to customers in the resource development and industrial construction sectors in Australia, Canada, and the United States. The company operates Heavy Equipment - Canada, Heavy Equipment - Australia, and Other segments. It offers mine management services for a thermal coal mine; and construction and operations support services in Canadian oil sands region. The company also provides fully maintained heavy equipment rentals at metallurgical and thermal coal mines; heavy equipment rentals to iron ore, gold and lithium producers; and heavy equipment maintenance, component remanufacturing, and full equipment rebuild services to mining companies and other heavy equipment operators, as well as supplies production-critical components to the mining and construction industry. The company was formerly known as North American Energy Partners Inc. and changed its name to North American Construction Group Ltd. in April 2018. North American Construction Group Ltd. was incorporated in 1953 and is headquartered in Acheson, Canada.

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.

North American Construction Group Ltd. has a Value Score of 80, which is considered to be undervalued.

North American Construction Group Ltd.’s price-earnings ratio is 15.9 compared to the industry median at 17.3. This means that it has a lower price relative to its earnings compared to its peers. This makes North American Construction Group Ltd. more attractive for value investors.

North American Construction Group Ltd.’s price-to-book ratio is higher than its peers. This could make North American Construction Group Ltd. less attractive for value investors when compared to the industry median at 1.31.

You can read more about North American Construction Group 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.

Bristow Group Inc.’s Value Grade

Value Grade:

Bristow Group Inc. provides vertical flight solutions to integrated, national, and independent offshore energy companies and government agencies. It provides aviation services, such as personnel transportation, search and rescue, medevac, ad fixed wing transportation, unmanned systems, and ad-hoc helicopter services, as well as logistical and maintenance support, training services, and flight and maintenance crews. The company operates fleet of aircrafts. It operates in the United Kingdom, Norway, the United States, Nigeria, and internationally. Bristow Group Inc. is based 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.

Bristow Group Inc. has a Value Score of 86, which is considered to be undervalued.

Bristow Group Inc.’s price-earnings ratio is 7.8 compared to the industry median at 17.3. This means that it has a lower price relative to its earnings compared to its peers. This makes Bristow Group Inc. more attractive for value investors.

Bristow Group Inc.’s price-to-book ratio is higher than its peers. This could make Bristow Group Inc. less attractive for value investors when compared to the industry median at 1.31.

You can read more about Bristow Group 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.

Select Water Solutions, Inc.’s Value Grade

Value Grade:

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 62, which is considered to be undervalued.

Select Water Solutions, Inc.’s price-earnings ratio is 52.3 compared to the industry median at 17.3. 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 1.31.

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.

Expro Group Holdings N.V.’s Value Grade

Value Grade:

Expro Group Holdings N.V. provides energy services in North and Latin America, Europe and Sub-Saharan Africa, the Middle East and North Africa, and the Asia-Pacific. It provides well construction products and services, such as technology solutions in tubular running services, tubular products, cementing, drilling, and wellbore cleanup; and well management services, including well flow management, subsea well access, and well intervention and integrity solutions. The company serves exploration and production companies in onshore and offshore environments in approximately 50 countries. Expro Group Holdings N.V. was founded in 1938 and is based 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.

Expro Group Holdings N.V. has a Value Score of 69, which is considered to be undervalued.

Expro Group Holdings N.V.’s price-earnings ratio is 23.0 compared to the industry median at 17.3. This means that it has a higher price relative to its earnings compared to its peers. This makes Expro Group Holdings N.V. less attractive for value investors.

Expro Group Holdings N.V.’s price-to-book ratio is higher than its peers. This could make Expro Group Holdings N.V. less attractive for value investors when compared to the industry median at 1.31.

You can read more about Expro Group Holdings N.V.’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.

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.

• Helix Energy Solutions Group, Inc. stock has a Value Grade of A.
• Nabors Industries Ltd. stock has a Value Grade of A.
• North American Construction Group Ltd. stock has a Value Grade of B.
• Bristow Group Inc. stock has a Value Grade of A.
• Select Water Solutions, Inc. stock has a Value Grade of B.
• Expro Group Holdings N.V. 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.

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.

• 6 Undervalued Energy Equipment & Services Stocks for Monday, December 01
• 5 Undervalued Energy Equipment & Services Stocks for Friday, November 28
• Why Drilling Tools International Corporation’s (DTI) Stock Is Down 5.51%
• Why Geospace Technologies Corporation’s (GEOS) Stock Is Up 15.11%

AAII Disclaimer

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