Manny Sirgo

Total E&P Joslyn Ltd. develops, operates, produces and sells recoverable bitumen found in Athabasca oil sands. Its assets include Lease 24 and Permit 70, collectively known as the Joslyn Lease. The company was founded in 1998 and is headquartered in Calgary, Canada.

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.

Union Capital Associates LP (Union Capital) is a private equity firm founded in 1968 by James C. Marlas. The firm is headquartered in Greenwich, Connecticut.

Arena Exploration LLC produces oil and gas minerals. It explores oil through geophysical, geological, and engineering evaluations. The company was founded on June 6, 2005 and is headquartered in The Woodlands, TX.

Arena Energy GP LLC supplies oil and natural gas. The firm focuses on pursuing the lower-risk prospect opportunities that remain in the Gulf after 50 years of drilling by larger oil companies. The company was founded by Michael J. Minarovic, Todd L. Stone, and Bryan Nelson in 1999 and is headquartered in The Woodlands, TX.

CrownRock LP engages in the production and exploration of oil and gas properties. The company was founded in 2007 and is headquartered in Midland, TX.

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.

Iracore International LLC manufactures urethane lined pipes and pipeline systems. It produces pipe system for oil sand slurry transport and tailings disposal, pipes to protect against abrasion and corrosion in the most challenging conditions. The company was founded by Daniel O. Burkes in 1957 and is headquartered in Hibbing, MN.

Silixa Ltd. provides fiber optic monitoring solutions. It delivers data from distributed fiber-optic acoustic (iDAS™) and temperature (ULTIMA™ DTS and XT-DTS™) measurements. The firm offers products and services in the area of Oil & Gas, Pipeline Surveillance, Flow Metering, and Distributed Sensing. The company was founded by Mahmoud Farhadiroushan, Tom Parker, and Sergey Shatalin in April 2007 and is headquartered in Elstree, 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.

VES Survey International operates as an independent wellbore surveyor for the oil and gas industry. The company was founded by Gary Vaughn and Nick Wallis in 2012 and is headquartered in Robstown, TX.

Endurance Resources Holdings LLC owns and operates oil and gas properties. It offers oil and gas drilling operations. The company was founded by Don Ritter and Garrett Smith and is headquartered in Addison, TX.

KSW Environmental LLC engages in provision of silica dust control solutions. It offers Airis Dust Vacuum 4 (ADV-4) that maximizes dust control with minimal disruption to other parts of completion. The company was founded in 2012 and is headquartered in Tulsa, OK.

TGT Oilfield Services DMCC operates as a through-barrier diagnostics for the oilfield. It creates products and technology that diagnose flow and integrity throughout the well system, from the wellbore to the reservoir giving its customers the clear picture of their wells and what’s happening in and around them enabling them to transform their productivity. The company was founded by Arthur Aslanyan, G.V. Vasiliev and Rustem L. Khamitov in 1998 and is headquartered in Dubai, United Arab Emirates.

SDI Gas LLC provides oilfield services. It operates through the following divisions: MEC and HDD. The MEC offers engineering, construction, and repair of natural gas compression stations. The HDD provides directional drilling of gas pipelines under obstructions. The company was founded in 2015 and is headquartered in Mt. Morris, PA.

San Jacinto Minerals, LLC operates as a acquisition vehicle. The company is headquartered in Denver, CO.

CrownRock Minerals LP acquires mineral and royalty interests for mineral properties in Permian Basin. The company is headquartered in Midland, TX.

Reveal Energy Services, Inc. provides maps of hydraulically induced fractures to the energy industry. Its flagship IMAGE Frac pressure-based fracture geometry service and companion DiverterSCAN technology and ProppantSCAN technology solutions, the company offers unparalleled diagnostic insight into well and stage spacing decisions, completions design effectiveness, and the influence of nearby hazards. The company was founded in January 2016 and is headquartered in Houston, TX.

Airis Corp. provides residential properties management services. The private company is based in Houston.

Cor4 Oil Corp. provides oil and gas drilling services. The company is headquartered in Calgary, Canada.

Wayfinder Resources LLC provides oil and gas exploration and production services. The company was founded in 2017 and is headquartered in Houston, TX.

Silvertip Completion Services Operating LLC operates as an oilfield service company. It offers cased-hole wireline solutions including perforating, pumpdown, and logging. The company is headquartered in Dallas, TX.

Arena Gulf Holdings LP functions as an investment holding company. The company is currently headquartered in Houston, TX.

Part of Transocean Ltd., Liquila Ventures Ltd. is a Bermudian company that provides water purifying services. The company is based in Pembroke, Bermuda. Liquila Ventures was founded in 2022. Liquila Ventures was acquired by Transocean Ltd. on September 15, 2023 for $98.41 million.

Prairie Energy distributes electricity.