Rajat Maheshwari

TGS Geophysical Co. (UK) Ltd. develops and installs fiber-sensing technology. The company was founded in 2001 and is headquartered in Surbiton, the United Kingdom.

Ingrain, Inc. provides digital rock physics laboratory services. The firm offers unconventional reservoirs, complex conventional reservoirs, joint industry project, and digital core library. The company was founded by Amos Nur, Jack P. Dvorkin, William Bosl, and Henrique Tono in 2007 and is headquartered in Houston, TX.

Reach Production Solutions develops gas compression technology. It offers transportation solution to transport natural gas with the virtual pipeline system. The company was founded by Pedro T. Santos, Emmanuel Magani, and Shantanu Agarwal in 2009 and is headquartered in Houston, TX.

Sercel SA provides equipment solutions for seismic acquisition. It offers integrated equipment for hydrocarbon exploration in land, transition zone, ocean-bottom cable, marine, and downhole environments. The company was founded in 1956 and is headquartered in Carquefou, France.

WesternGeco provides seismic contracting services. The firm offers reservoir imaging, monitoring and development services to oil & gas companies. The company was incorporated on September 19, 1978 and is headquartered in Gatwick, the United Kingdom.

Wood Mackenzie Ltd. provides research reports and consulting services for the global energy industry. The firm provides objective analysis and advice on assets, companies and markets. Its clients include international and national energy and metals companies as well as financial institutions and governments. The company was founded in May 1973 and is headquartered in Edinburgh, the United Kingdom.

Concept Systems Ltd. provides information technology services for companies in the oil exploration and production industries. The firm offers navigation systems, surveying tools, data analysis and processing applications. the company was founded by Alastair Hay in 1983 and is headquartered in Edinburgh, the United Kingdom.

Lime Rock Management LP (Lime Rock Management) is Private Equity firm founded in 1998 by Jonathan Clark Farber and John T. Reynolds. The firm is headquartered in Westport with additional office in London.

Chrysalix Energy Management, Inc. (Chrysalix Venture Capital) is a venture capital firm founded in 2001 by Michael J. Brown and Wal van Lierop. The firm is headquartered in Vancouver, Canada.

Novomer, Inc. manufactures biodegradable plastics, polymers, and other chemicals from renewable substances. It specializes in commercializing a family of low-cost, high-performance, sustainable polymers and other chemicals. The company was founded by Geoffrey William Coates, Anthony Romey Eisenhut and Scott D. Allen in 2004 and is headquartered in Waltham, MA.

Lime Rock Partners LLC provides investment services in the exploration and production, energy service, and oil service technology sectors. The company was founded by Jonathan Clark Farber and John T. Reynolds in 1998 and is headquartered in Westport, CT.

Deep Casing Tools Ltd. designs and manufactures advanced casing and completion tools for the oil and gas and geothermal industries. It offers Turbocaser Express, Turborunner, Shalerunner, and Turbocaser Deepwater services. The company was founded by Derek Frederick Herrera in 2008 and is headquartered in Aberdeen, the United Kingdom.

Foster Findlay Associates Ltd. provides cognitive interpretation software and services to the oil and gas industry. The firm specializes in cognitive interpretation, GeoTeric services, geological expression, research and development, seismic interpretation, frequency decomposition, and reservoir heterogeneity. The company was founded by Jonathan Henderson in October 1987 and is headquartered in Newcastle-upon-Tyne, the United Kingdom.

Caltec Ltd. designs, develops and supplies equipment for facilitating production from oil and gas wells. Its solutions include flare recovery, de-gassing liquids, and sand separation. The company was founded in 2003 and is headquartered in Cranfield, UK

Total Carbon Neutrality Ventures International SAS (Total Carbon Neutrality Ventures) is a Venture Capital arm of Total SA founded in 2007. The firm is headquartered in Paris La Défense, FR.

Green Rock Energy LLC engages in oil and gas exploration. The company is headquartered in Houston, TX.

Guralp Systems Ltd. manufactures geophysical instruments and networks. Its products include seismometers, accelerometers, borehole instruments, ocean bottom systems, digitizers and acquisition modules. The firms solutions encompass instruments, accessories, software and multidisciplinary systems. The company was founded by Cansun Mustafa Guralp in 1985 and is headquartered in Reading, the United Kingdom.

AccessESP LLC provides rigless electric submersible pump conveyance solutions for the global oil industry. It offers a permanent magnet motor and a side pocket mandrel wet connect system, into a patented solution consisting of a tubing-mounted permanent completion and a slickline retrievable assembly. The company was founded by Geoff Kimber-Smith and Phil Head in 2004 and is headquartered in Houston, TX.

INOVA Geophysical Equipment Ltd. manufactures measuring and controlling equipment. The joint venture company is based in Stafford, TX.

DHS Oil Holdings Pty Ltd. operates as a holding company with interests in oil and gas field surveying and exploration companies. The company is headquartered in Perth, Australia.

Zilift Ltd. develops and markets permanent magnet technologies for artificial lift applications. Its technologies include Zilift TorqueDrive and Zilift SpeedDrive. The firm covers permanent magnet motor and pump technology, fluid dynamics, material science, rotor dynamics, high temperature electronics, variable frequency drive, software and control systems, and well engineering. The company was founded by in May 2009 and is headquartered in Aberdeen, the United Kingdom.

Novas Consulting Ltd. provides integrated subsurface studies and due diligence services. It offers business development support, merger and acquisition, corporate strategic support and finance and regulatory support services. The firm serves the oil and gas industry. The company was founded by Philip N. Clarke in March 2005 and is headquartered in London, the United Kingdom.

Abrado, Inc. provides cleanout tools, chemical stimulation treatments and diagnostic technology services to the drilling sector. It offers well abandonment, and section milling services. The company was founded by Alexander Esslemont and C. Mitchell Cox in 2009 and is headquartered in Houston, TX.

Acoustic Zoom, Inc. provides seismic solutions to visualize geological formations. It develops a suite of 3D sub surface seismic imaging technologies, methods, and signal protocols to deliver unique answer products for unconventional reservoir imaging plays worldwide. The company was founded by Jacques Yves Guigne in January 2012 and is headquartered in Paradise, Canada.

Hall Labs LLC provides engineering services. The firm offers machine learning, electric transportation, application development, accounting and planning, and patent and legal support. The company was founded by H. Tracy Hall on February 15, 1955 and is headquartered in Provo, UT.

Enpro Subsea Ltd. engages in the supply and distribution of oil field equipment. The firm also provides field development, project management, flow access modules, flow intervention, and field decommissioning products and services. The company was founded by John Reid, Ian Donald, Steven George Morris Robb, and Thomas Gerard Bryce in 2011 and is headquartered in Aberdeen, the United Kingdom.

Part of Hicks Holdings LLC, Casing Technologies Group Ltd. is a holding British company that provides business support services. The company is based in Westhill, UK. The company was founded in 2007. Casing Technologies Group was acquired by Drilling Tools International Corp. (US) on March 18, 2024 for $0.32 million.

Cereus Ultrasonics Ltd. is a British UK-based company that was founded in 2018. The company specializes in audio ultrasonics using the Cereus engine, which offers a diverse range of equalization techniques. The techniques used at Cereus Ultrasonics were first developed to improve tracking and implementation of drug delivery significantly.

Enhanced Well Technologies AS engages in the investing business. It invests in oilfield service companies. The company was founded on March 13, 2019 and is headquartered in Stavanger, Norway.

Zi-Lift AS develops, manufactures and markets permanent magnet materials. The company is headquartered in Tananger, Norway.

Romar Topco Ltd. is a private company based in Ellon, UK. The British company was founded in 2014.

Sustaera, Inc. is a direct air capture technology startup based in Cary, NC. The company specializes in carbon capture, separations chemistry, and process scale-up. Sustaera aims to provide low-cost, scalable, carbon removal systems to restore the carbon balance. The company's core technology is based on patented breakthroughs in material science, process design, and modular manufacturing. Sustaera is currently building a pilot plant, set to be operational in 2023, and its first demonstration unit in 2022. The company was founded by Raghubir Gupta and Shantanu Agarwal, and Mary Haas has been the CEO since 2022.