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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Core Laboratories Inc. stock logo
CLB
Core Laboratories
$12.54
-0.7%
$11.76
$9.79
$20.36
$579.06M1.08426,720 shs350,188 shs
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
$36.95
-3.0%
$37.23
$25.53
$44.60
$491.17M0.42118,915 shs127,762 shs
Oil States International, Inc. stock logo
OIS
Oil States International
$8.59
-2.0%
$8.49
$5.50
$14.50
$528.43M1.12473,734 shs424,271 shs
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
$3.11
-1.9%
$3.00
$1.72
$3.92
$152.56M1.18154,995 shs72,275 shs
7 Blue-Chip Stocks to Add To Your Forever Portfolio Cover

A strong long-term portfolio starts with companies that can survive recessions, inflation, changing consumer habits, and shifting market leadership.

This report names seven blue-chip stocks across technology, retail, consumer staples, healthcare, networking, sporting goods, and utilities that offer investors a mix of stability, income, growth, and staying power.

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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Core Laboratories Inc. stock logo
CLB
Core Laboratories
-0.82%+0.04%+0.67%-4.79%+1.84%
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
-3.22%+3.87%+1.10%-13.11%+39.22%
Oil States International, Inc. stock logo
OIS
Oil States International
-1.72%-3.10%-2.94%+0.94%+52.08%
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
-1.89%0.00%-5.18%-5.47%+32.91%
CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
Core Laboratories Inc. stock logo
CLB
Core Laboratories
$12.54
-0.7%
$11.76
$9.79
$20.36
$579.06M1.08426,720 shs350,188 shs
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
$36.95
-3.0%
$37.23
$25.53
$44.60
$491.17M0.42118,915 shs127,762 shs
Oil States International, Inc. stock logo
OIS
Oil States International
$8.59
-2.0%
$8.49
$5.50
$14.50
$528.43M1.12473,734 shs424,271 shs
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
$3.11
-1.9%
$3.00
$1.72
$3.92
$152.56M1.18154,995 shs72,275 shs
7 Blue-Chip Stocks to Add To Your Forever Portfolio Cover

A strong long-term portfolio starts with companies that can survive recessions, inflation, changing consumer habits, and shifting market leadership.

This report names seven blue-chip stocks across technology, retail, consumer staples, healthcare, networking, sporting goods, and utilities that offer investors a mix of stability, income, growth, and staying power.

Get This Free Report

Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Core Laboratories Inc. stock logo
CLB
Core Laboratories
-0.82%+0.04%+0.67%-4.79%+1.84%
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
-3.22%+3.87%+1.10%-13.11%+39.22%
Oil States International, Inc. stock logo
OIS
Oil States International
-1.72%-3.10%-2.94%+0.94%+52.08%
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
-1.89%0.00%-5.18%-5.47%+32.91%
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Core Laboratories Inc. stock logo
CLB
Core Laboratories
2.50
Moderate Buy$21.0067.53% Upside
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
2.75
Moderate Buy$50.5036.68% Upside
Oil States International, Inc. stock logo
OIS
Oil States International
2.25
Hold$11.3332.01% Upside
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
1.00
SellN/AN/A

Current Analyst Ratings Breakdown

Latest TUSK, CLB, OIS, and NGS Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
9/8/2026
Oil States International, Inc. stock logo
OIS
Oil States International
Reiterated RatingSell (D)
8/13/2026
Core Laboratories Inc. stock logo
CLB
Core Laboratories
UpgradeHoldBuy$21.00
8/13/2026
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
DowngradeStrong-BuyHold
8/11/2026
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
DowngradeBuy (B)Buy (B-)
8/11/2026
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
DowngradeSell (D+)Sell (D)
8/3/2026
Core Laboratories Inc. stock logo
CLB
Core Laboratories
UpgradeSell (D+)Hold (C-)
7/31/2026
Oil States International, Inc. stock logo
OIS
Oil States International
Lower Price TargetBuy$15.00 ➝ $14.00
7/10/2026
Oil States International, Inc. stock logo
OIS
Oil States International
Lower Price TargetOutperform$14.00 ➝ $12.00
7/10/2026
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
Boost Price TargetOutperform$53.00 ➝ $54.00
7/10/2026
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
UpgradeHoldStrong-Buy
7/8/2026
Oil States International, Inc. stock logo
OIS
Oil States International
Lower Price TargetNeutral$11.00 ➝ $8.00
(Data available from 9/11/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Core Laboratories Inc. stock logo
CLB
Core Laboratories
$526.52M1.09$1.06 per share11.81$5.85 per share2.14
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
$172.32M2.77$4.46 per share8.29$21.86 per share1.69
Oil States International, Inc. stock logo
OIS
Oil States International
$668.99M0.77$1.16 per share7.42$9.59 per share0.90
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
$44.29M3.38N/AN/A$5.36 per share0.58
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Core Laboratories Inc. stock logo
CLB
Core Laboratories
$29.67M$0.5622.3816.072.505.10%10.03%4.71%10/28/2026 (Estimated)
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
$19.93M$1.6122.9514.10N/A10.81%8.10%3.70%11/9/2026 (Estimated)
Oil States International, Inc. stock logo
OIS
Oil States International
-$109.38M-$1.89N/A10.73N/A-16.78%4.28%2.87%10/30/2026 (Estimated)
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
$4.60M$0.02155.50N/AN/A0.98%-8.10%-6.14%10/30/2026 (Estimated)

Latest TUSK, CLB, OIS, and NGS Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
8/10/2026Q2 2026
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
$0.40$0.47+$0.07$0.30$50.25 million$51.40 million
8/7/2026Q2 2026
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
N/A-$0.01N/A-$0.01N/A$26.05 million
7/30/2026Q2 2026
Oil States International, Inc. stock logo
OIS
Oil States International
$0.1075$0.14+$0.0325$0.10$158.02 million$255.41 million
7/29/2026Q2 2026
Core Laboratories Inc. stock logo
CLB
Core Laboratories
$0.0869$0.11+$0.0231$0.13$126.26 million$124.61 million
CompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive Growth
Core Laboratories Inc. stock logo
CLB
Core Laboratories
$0.040.32%-32.23%7.14%N/A
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
$0.601.62%N/A37.27%N/A
Oil States International, Inc. stock logo
OIS
Oil States International
N/AN/AN/AN/AN/A
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
N/AN/AN/AN/AN/A

Latest TUSK, CLB, OIS, and NGS Dividends

AnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date
8/10/2026
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
quarterly$0.151.71%8/19/20268/19/20269/2/2026
7/29/2026
Core Laboratories Inc. stock logo
CLB
Core Laboratories
quarterly$0.010.33%8/10/20268/10/20268/31/2026
(Data available from 1/1/2013 forward)
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Core Laboratories Inc. stock logo
CLB
Core Laboratories
0.41
2.12
1.55
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
1.11
2.01
1.12
Oil States International, Inc. stock logo
OIS
Oil States International
0.03
2.35
1.29
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
N/A
1.93
1.79

Institutional Ownership

CompanyInstitutional Ownership
Core Laboratories Inc. stock logo
CLB
Core Laboratories
97.81%
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
65.62%
Oil States International, Inc. stock logo
OIS
Oil States International
97.44%
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
79.67%
CompanyEmployeesShares OutstandingFree FloatOptionable
Core Laboratories Inc. stock logo
CLB
Core Laboratories
3,30045.88 million45.31 millionOptionable
Natural Gas Services Group, Inc. stock logo
NGS
Natural Gas Services Group
25012.90 million12.50 millionOptionable
Oil States International, Inc. stock logo
OIS
Oil States International
2,17260.32 million55.74 millionOptionable
Mammoth Energy Services, Inc. stock logo
TUSK
Mammoth Energy Services
1,04048.13 million47.17 millionOptionable

Recent News About These Companies

Mammoth Energy Services : TUSK
Mammoth Announces First-Quarter 2026 Conference Call

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Core Laboratories stock logo

Core Laboratories NYSE:CLB

$12.54 -0.09 (-0.67%)
Closing price 09/10/2026 03:59 PM Eastern
Extended Trading
$12.52 -0.01 (-0.08%)
As of 09/10/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Core Laboratories Inc. provides reservoir description and production enhancement services and products to the oil and gas industry in the United States, and internationally. It operates through Reservoir Description and Production Enhancement segments. The Reservoir Description segment includes the characterization of petroleum reservoir rock and reservoir fluid samples to enhance production and improve recovery of crude oil and gas from its clients' reservoirs. It offers laboratory-based analytical and field services to characterize properties of crude oil and oil delivered products; and proprietary and joint industry studies, as well as services that support carbon capture, utilization and storage, geothermal projects, and the evaluation and appraisal of mining activities. The Production Enhancement segment provides services and products relating to reservoir well completions, perforations, stimulations, production, and well abandonment. It offers integrated diagnostic services to evaluate and monitor the effectiveness of well completions and to develop solutions to improve the effectiveness of enhanced oil recovery projects. The company markets and sells its products through a combination of sales representatives, technical seminars, trade shows, and print advertising, as well as through distributors. Core Laboratories Inc. was founded in 1936 and is based in Houston, Texas.

Natural Gas Services Group stock logo

Natural Gas Services Group NYSE:NGS

$36.95 -1.13 (-2.97%)
Closing price 09/10/2026 03:59 PM Eastern
Extended Trading
$36.88 -0.06 (-0.17%)
As of 09/10/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

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.

Oil States International stock logo

Oil States International NYSE:OIS

$8.59 -0.18 (-2.00%)
Closing price 09/10/2026 03:59 PM Eastern
Extended Trading
$8.59 0.00 (0.00%)
As of 09/10/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

Oil States International, Inc., through its subsidiaries, provides engineered capital equipment and products for the energy, industrial, and military sectors worldwide. The company operates through three segments: Well Site Services, Downhole Technologies, and Offshore/Manufactured Products. The Well Site Services segment offers a range of equipment and services that are used to drill for, establish, and maintain the flow of oil and natural gas from a well throughout its lifecycle. It also provides wireline support, frac stacks, isolation tools, downhole and extended reach activity, well testing and flowback operations, sand control, and land drilling services. The Downhole Technologies segment provides oil and gas perforation systems, and downhole tools in support of completion, intervention, wireline, and well abandonment operations. This segment also designs, manufactures, and markets its consumable engineered products to oilfield service, and exploration and production companies. The Offshore/Manufactured Products segment designs, manufactures, and markets capital equipment utilized on floating production systems, subsea pipeline infrastructure, and offshore drilling rigs and vessels. Its products include flexible bearings, advanced connector systems, high-pressure riser systems, managed pressure drilling systems, deepwater mooring systems, cranes, subsea pipeline products, and blow-out preventer stack integration products. This segment also provides short-cycle products, such as valves, elastomers, and other specialty products that are used in the land-based drilling and completion markets; and other products for use in industrial, military, alternative energy, and other applications. In addition, it offers specialty welding, fabrication, cladding and machining, offshore installation, and inspection and repair services. The company was incorporated in 1995 and is headquartered in Houston, Texas.

Mammoth Energy Services stock logo

Mammoth Energy Services NASDAQ:TUSK

$3.11 -0.06 (-1.89%)
Closing price 09/10/2026 04:00 PM Eastern
Extended Trading
$3.10 0.00 (-0.16%)
As of 09/10/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

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.