135 indexable Oil & Gas Equipment companies headquartered in Houston, United States, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $2.8B across 14 funded companies.
| # | Company | Funding | Valuation | Stage | Latest round | Employees | Founded | Momentum |
|---|---|---|---|---|---|---|---|---|
| 1 |
Voovio
Developer of simulation software for training and operational efficiency in industry |
$17.6M | — | Series A | Series A May 2024 | 10 | 2008 | — |
| 2 |
GoExpedi
Revolutionizing industrial supply chain with digital procurement, delivery, and data analytics |
$108.2M | — | Series D | Series D Nov 2022 | 76 | 2017 | — |
| 3 |
Kodiak Gas Services
Contract labor supplier for compression, dehydration and processing activities |
$510M | — | Public | Conventional Debt Dec 2021 | 720 | 2011 | — |
| 4 |
MRC Global
Distributor of pipes, valves, and fittings for energy infrastructure projects |
$1.4B | — | Acquired | Series A Jun 2015 | 1,765 | 2006 | — |
| 5 |
Apergy
Artificial-lift technology system provider |
$300M | — | Public | Conventional Debt Jun 2018 | 7,100 | 2018 | — |
| 6 |
KLX Energy Services
Provider of oilfield services, offering a range of downhole tools and solutions for the energy industry |
$250M | — | Public | Conventional Debt Oct 2018 | — | 2014 | — |
| 7 |
Oil States International
Manufacturer of oil and gas industry equipment and services |
$125M | — | Public | Conventional Debt Mar 2018 | 2,738 | 1937 | — |
| 8 |
Liberty Lift Solutions
Provider of artificial lift solutions for oil and gas production |
$42.8M | — | Funding Raised | Conventional Debt Jun 2019 | 286 | 2012 | — |
| 9 |
Forum Energy Technologies
Provider of drilling & oilfield products |
$28.5M | — | Public | Post IPO Jan 2019 | 937 | 2005 | — |
| 10 |
ZeoGas
Developer of large-scale, low-carbon methanol production plants |
$16.8M | — | Funding Raised | Conventional Debt Feb 2018 | 2 | 2012 | — |
| 11 |
SpectraSensors
Manufacturer of measurement and automation technology for process and laboratory applications |
$23.3M | — | Acquired | Series C Jan 2010 | 93 | 1999 | — |
| 12 |
Compass Directional Guidance
Oil & gas equipment manufacturer and drilling service provider |
$1.5M | — | Funding Raised | Conventional Debt Jan 2019 | 17 | 2000 | — |
| 13 |
REVOLUTION Turbine Technologies
Developer of reliable, scalable, and green energy services for powering mission-critical equipment |
$200K | — | Seed | Grant (prize money) Mar 2022 | 3 | 2015 | — |
| 14 |
Relevant Solutions
Provider of industrial equipment and service solutions |
$1.1M | — | Acquired | Unattributed Dec 2014 | 631 | 1965 | — |
| 15 |
Cimarron
Manufacturer of multiple oil and gas equipment |
— | — | Acquired | Grant (prize money) Apr 2025 | 24 | 1976 | ↑ Active |
| 16 |
ENGlobal
Provider of integrated engineering, automation, and construction solutions |
— | — | Public | Post IPO Feb 2023 | 198 | 1985 | — |
| 17 |
Commando Pressure Control
Provider of hydraulic fracturing solutions |
— | — | Seed | Seed May 2019 | 11 | 2015 | — |
| 18 |
Patterson-UTI
Manufacturer of polycrystalline diamond compact drill bits |
— | — | Public | Post IPO Oct 2018 | — | 1978 | — |
| 19 |
Silverwell
Provider of artificial lift for oil & gas industries |
— | — | Seed | Angel May 2018 | 34 | 2015 | — |
| 20 |
KBR
Provider of science, technology, and engineering solutions to governments and companies |
— | — | Public | Grant (prize money) Sep 2013 | 28,000 | 1919 | — |
| 21 |
National Oilwell Varco
Provider of equipment and components used in upstream oil industry |
— | — | Public | Grant (prize money) Aug 2011 | 33,676 | 1862 | — |
| 22 |
Cactus Wellhead
Manufacturer of wellhead equipment and pipeline products |
— | — | Public | Series A 2011 | 1,200 | 2011 | — |
| 23 |
Superior Energy
Provider of oilfield rental equipment and well services |
— | — | Public | Conventional Debt May 2006 | 2,200 | 1989 | — |
| 24 |
aandb valve and piping systems
A&B Valve and Piping Systems is a leading supplier of pipe, valve, fittings, flanges and related products to the energy industry. |
— | — | Acquired | — | 24 | 1972 | — |
| 25 |
acousticeye
AcousticEye provides non-traversing tube and pipe inspection services increasing the efficiency in the power generation markets. |
— | — | Acquired | — | 24 | 2005 | — |
| 26 |
Acsoilfield
Advanced Control Systems offers rig-up services as well as custom power control motors. |
— | — | Unfunded | — | 7 | 1981 | — |
| 27 |
Agar
Provider of oil & gas equipment manufacturing, designing, and installation services |
— | — | Unfunded | — | 138 | 1980 | — |
| 28 |
Airborne Oil and Gas
Airborne Oil & Gas is the world’s first and leading manufacturer of fully bonded, Thermoplastic Composite Pipe. |
— | — | — | — | 26 | — | — |
| 29 |
allesco
Allesco manufactures and distributes processing equipment, valves, and instrumentation for petrochemical and power generation markets. |
— | — | Private | — | 28 | 1966 | — |
| 30 |
Allied Group
Allied Group is the worldwide leader in the manufacturing and distribution of critical application fittings, flanges, valves, pipe and related products. |
— | — | — | — | 264 | 1989 | — |
| 31 |
allied reliability group
Allied Reliability Group is an engineering company specializing in integrated software solutions and services. |
— | — | Acquired | — | 85 | 1947 | — |
| 32 |
american block
American Block is an oil & energy company specializing in oilfield and marine equipment. |
— | — | — | — | 111 | 1979 | — |
| 33 |
antelope oil tool
Antelope Oil Tool is an oil & energy company offering casing and cementing equipment. |
— | — | Acquired | — | 201 | 1961 | — |
| 34 |
Arctictesting
Provider of asset integrity management, inspection, and non-destructive testing services |
— | — | Unfunded | — | 82 | 2016 | — |
| 35 |
Axis Pipe and Tube
Axis Pipe & Tube is an electric resistance welded (ERW) mill located in Bryan, Texas producing oil country tubular goods (OCTG) and line pipe products for the energy market.\r\nHeadquartered in Houston, Texas, Axis Pipe & Tube supplies products throughout NAFTA.\r\n\r\nAXIS EITHER WAY WE TURN, QU |
— | — | — | — | 227 | — | — |
| 36 |
AXON Energy Services
Provider of drilling products, control products, and pressure control products for both surface and subsea applications |
— | — | Unfunded | — | 265 | 2010 | — |
| 37 |
b&j wholesale
B&J Wholesale is an industrial supplier that delivers equipment, rental, maintenance, and repair services for oil and gas markets. |
— | — | Private | — | 16 | 1997 | — |
| 38 |
bay area general crane service
Bay Area General Crane Service provides bridge cranes, gantry cranes, jib cranes, workstation cranes, and crane kits products. |
— | — | Acquired | — | 36 | 1999 | — |
| 39 |
blackhawk specialty tools
Blackhawk Specialty Tools designs, assembles, rents, and sells offshore and onshore cementing equipment and products. |
— | — | Acquired | — | 200 | 2008 | — |
| 40 |
c-automation
C-Automation specializes in manufacturing, design, and engineering of subsea control equipment and refurbishment of surface units. |
— | — | — | — | — | 2005 | — |
| 41 |
Cameron a Schlumberger company
Drilling, Unconventional Completions, Subsea, Production, Separation, Processing and Treatment, Pipeline, Transmission and Storage, Refining and Petrochemical, Industrial Cameron is now a Schlumberger company. |
— | — | Unfunded | — | 20,126 | — | — |
| 42 |
Cameron International Corp
Manufacturer of equipment for oil and gas industry |
— | — | Acquired | — | 24,000 | 1833 | — |
| 43 |
Cimarron Energy
Manufacturer of multiple oil and gas equipment |
— | — | Acquired | — | — | 1970 | — |
| 44 |
circle 8 crane services
Circle 8 Crane Services is a crane rental service provider for the oil & gas, commercial and industrial projects. |
— | — | Acquired | — | 96 | 2007 | — |
| 45 |
cnc flow control
CNC Flow Control is a premium provider of a wide range of flow control solutions designed to meet the needs of most any application. |
— | — | Acquired | — | 57 | 1999 | — |
| 46 |
coil tubing technology
Coil Tubing Technology supplies a line of tools and related technology solutions for the E&P industry. |
— | — | Public | — | 26 | 1998 | — |
| 47 |
cooper machinery services
Cooper Machinery Services is provides natural gas compression equipment and services to customers globally in the Oil & Gas,Power. |
— | — | Private | — | 900 | 1832 | — |
| 48 |
craig instruments
Craig Instruments is a precision machine shop that offers machine work services. |
— | — | Private | — | — | 1988 | — |
| 49 |
Cralloys
Manufacturer of corrosion-resistant alloy pipe and tube for various industries |
— | — | Unfunded | — | 56 | 2001 | — |
| 50 |
cyclone steel services
Cyclone Steel Services manufactures steel products through flame-cutting, plate rolling, machining, forming, and laser cutting services. |
— | — | Private | — | 25 | 1979 | — |
Developer of simulation software for training and operational efficiency in industry. The software provides digital replicas and simulators to onboard operators efficiently. It helps reduce downtime, increase productivity, and ensure competency. The software supports training programs and knowledge capture for operational procedures.
Revolutionizing industrial supply chain with digital procurement, delivery, and data analytics. It is an innovative e-commerce company transforming procurement for industrial maintenance, repair, and operations (MRO). It offers an end-to-end digital supply chain and data analytics solutions designed specifically for heavy industry. The company provides critical parts and supplies with transparency on price, supplier
Kodiak Gas Services supplies contract labors and mechanical equipment operators for natural gas compression, dehydration, and processing activities. Provides labors for fabrication facility management, field studies, overhauling, and facility management. Offers cranes, swing engines and processing equipment for oilfield operations.
Distributor of pipes, valves, and fittings for energy infrastructure projects. It supplies materials for various sectors including gas utilities, downstream and industrial applications, production and transmission infrastructure, offshore wind, carbon capture, hydrogen, biofuels, and geothermal energy. The company provides products and services supporting energy security and the energy transition. Its offerings inclu
Artificial-lift technology system provider
KLX Energy Services is a leading provider of onshore oilfield services, offering a range of solutions to optimize well completion and production. With a focus on proprietary technology and strategic locations across major basins, the company helps operators overcome challenges and maximize returns. By providing a suite of downhole completion tools and services, KLX Energy Services empowers its clients to achieve opti
Manufacturer of oil and gas industry equipment and services. This entity designs, manufactures, and sells capital equipment for offshore and onshore applications, including floating production systems, subsea pipelines, and drilling rigs. It also provides completion and production services, such as wellhead isolation and frac valve services. Additionally, it develops and manufactures downhole technologies, including
Provider of artificial lift solutions for oil and gas production. This includes the design, manufacturing, and service of beam pumping units, gas lift systems, hydraulic jet pumps, long stroke units, plunger lift equipment, sucker rods, and downhole pumps. The company offers both original equipment and manufactured equivalent parts, along with installation and repair services. A cloud-based platform provides reservoi
Provider of drilling & oilfield products
Developer of large-scale, low-carbon methanol production plants. This involves leveraging established technologies for methanol production and carbon capture to minimize risk and accelerate deployment. The plants utilize proven engineering and incorporate advanced digital and AI capabilities to maximize efficiency and safety. A focus on sustainable practices and cost-effective solutions ensures a commercially viable
Manufacturer of measurement and automation technology for process and laboratory applications. It provides devices, solutions, and services for various industries, enabling customers to improve product quality, optimize economic operations, and enhance environmental protection. The company offers a wide array of products including flow, level, liquid analysis, optical analysis, pressure, and temperature measurement i
Operator of a drilling company intended to provide specialized equipment used in drilling oil and gas. The company offers measurement while drilling, logging while drilling and electromagnetic systems and also provide rental, maintenance and training courses on the use of MWD, LWD, and EM systems, enabling customers to give reliable and cost-effective solutions that help them achieve their drilling objectives.
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SCF Partners
Cadent Energy Partners
OFS Energy Fund
OSTI
American River Ventures
B-29 Investments
Blue Bear Capital
Blue Horizon
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Blueprint Ventures
Bora Ventures
Bowery Capital
Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-20.
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