First Reserve

Palmdale Oil Company is a petroleum fuel and oil wholesale distribution company.

Lamons Gasket Company specializes in the manufacturing of gaskets, fasteners, and flange accessories, primarily serving the refining, chemical, power generation, petrochemical, and pulp and paper industries. Founded in 1947 and headquartered in Houston, Texas, the company produces a wide range of products, including metallic, semi-metallic, non-metallic, and sealing isolation gaskets, as well as hose products and specialty bolts. Lamons operates manufacturing facilities in the United States, the United Kingdom, Mexico, and India, and distributes its products through licensees and distributors worldwide. The company is recognized for its ability to provide equipment for mission-critical applications, ensuring timely delivery to its clients. Lamons Gasket Company is a subsidiary of TriMas Company, LLC.

IRISNDT has been serving the oil and gas, petroleum and petrochemical, chemical, power generation, and pipeline industries since 1953.IRISNDT is a world leader in non-destructive testing (“NDT”) servicing Western Canada, the United States and the United Kingdom providing specialized NDT services, materials engineering solutions, rope access services, heat treating services and bolting services to the oil and gas, petroleum, petrochemical, power generation and pipeline industries.

Weir Flow Control ("WFC") is a designer, manufacturer and aftermarket services provider of engineered valves and pumps used in energy and broader industrial applications. WFC consists of global brands in niche applications supporting safe, reliable and efficient energy and industrial processes worldwide.

Refuel, Inc. operates a chain of gas service stations with convenience stores. The company was founded in 2008 and is based in Mount Pleasant, South Carolina with additional locations in South Carolina.

Blue Racer Midstream, LLC develops and delivers midstream infrastructure and services related to natural gas gathering, compression, treating, processing, and transportation. It also offers condensate handling; and the fractionation, storage, transportation, and marketing of natural gas liquids. The company was founded in 2012 and is based in Dallas, Texas. It has plants and operations in Marshall County, West Virginia; Ohio. Blue Racer Midstream, LLC is a joint venture of Dominion Resources, Inc. and Caiman Energy II, LLC.

At Dresser, their business is about energy. They are one of the world's leading providers of innovative, reliable and affordable equipment and services for mission-critical applications in global energy infrastructure. They are a growing, successful company with the resources, the technology leadership and the internal capability to meet the demands of the energy business.

PetroShale Inc., an oil company, engages in the acquisition, development, and production of oil-weighted assets primarily in the North Dakota Bakken/Three Forks. The company holds approximately 8,218 net acres of land in Fort Berthold, primarily in McKenzie and Dunn counties, North Dakota. It also holds interests in Richland County, Montana; and royalty interests in Alberta and Ontario. As of December 31, 2019, the company had approximately 70.5 million barrels of oil equivalent of total proved plus probable reserves. PetroShale Inc. is headquartered in Calgary, Canada.

CHA Consulting, Inc. is a highly diversified, full-service engineering and construction management firm providing a wide range of planning and design services to public, private and institutional clients. With technical personnel and offices throughout the United States and Canada, CHA offers engineering, architectural, survey, construction, and other services necessary to complete projects on time and within budget.

PetroShale Inc., an oil company, engages in the acquisition, development, and production of oil-weighted assets primarily in the North Dakota Bakken/Three Forks. The company holds approximately 8,218 net acres of land in Fort Berthold, primarily in McKenzie and Dunn counties, North Dakota. It also holds interests in Richland County, Montana; and royalty interests in Alberta and Ontario. As of December 31, 2019, the company had approximately 70.5 million barrels of oil equivalent of total proved plus probable reserves. PetroShale Inc. is headquartered in Calgary, Canada.

EMS USA is an integrated solution provider for all pipeline and facility maintenance, integrity, measurement and automation services.

AFGlobal Corporation is an oil & energy company specializing in subsea pipeline components and forged products. AFGlobal Corporation is a technology and manufacturing specialist working to enhance their clients' success around the world. AFGlobal align well-established precision engineering with evolutionary innovation. AFGlobal unique approach combines conventional OEM processes and technology with unconventional thinking, providing reliable answers and establishing quicker ways to find the best solutions for their clients.

Founded in 1979, Dyer & Butler is a regional contractor with a solid financial and technical base spanning a wide spectrum of civil engineering and building.

Texas American Resources Company is a privately held, independent oil and gas exploration company headquartered in Austin, Texas. The company was founded in 1990 by President and CEO, David E. Honeycutt, and currently manages and operates over 90,000 acres in South Texas and the Texas Panhandle. In 25 years of operating, TARC has overseen acquisitions and divestitures totaling over $500 million. In addition to managing and operating assets for existing partnerships, our core strategy is to build an oil-focused portfolio through technology-driven organic development and strategic acquisitions. As a multi-disciplined team specializing in geology, engineering, finance, and land, we use a subsurface driven approach, utilizing the latest technology to maximize the recovery of hydrocarbons with efficiency and in a responsible manner.

Applied-Cleveland Holdings, Inc. provides third party inspection services for the maintenance of oil and natural gas transmission, distribution, midstream and gathering lines, and other critical infrastructure. Other infrastructure includes refinery, power plant, compressor and pump stations, and mechanical integrity projects. A-C also offers complementary, specialized nondestructive and qualification services across the entire spectrum of the industry.

Morrison Utility Services (“MUS” or “the company”), the leading provider of utility infrastructure services in the United Kingdom.

Plains All American Pipeline is engaged in the transportation, storage, terminalling and marketing of crude oil, as well as in the processing, transportation, fractionation, storage and marketing of natural gas liquids ("NGL"). We own and operate a diversified portfolio of strategically located assets that play a vital role in the movement of U.S. and Canadian energy supplies. On average we handle over 3.5 million barrels per day of crude oil and NGL through our extensive network of assets located in key North American producing basins, major market hubs and transportation gateways. The company is headquartered in Houston.

Navigator Energy Services, LLC is a growth-oriented, independent midstream company focused on developing and delivering comprehensive midstream infrastructure solutions in response to the growing demand from America’s energy producers. The company’s sole focus is to provide its customers with efficient midstream solutions that maximize both operational flexibility and the value of their hydrocarbons.

Hoover Ferguson is providing liquid handling solutions and services to the chemical, petrochemical, food and beverage, and other industries. The Hoover Ferguson legacy is a company that is built to last and manufactures products that are built to last. Hoover Ferguson is steeped in a tradition of manufacturing a long lasting, durable, and quality product. They bring a rich heritage of 100 years of manufacturing experience to the material handling industry, and they consistently offer high quality products and services to their customers.

TNT Crane & Rigging, Inc. offers hydraulic truck cranes, rigging, lifting, and transportation services for oil and gas, midstream, refining, petrochemical, power, commercial, construction, and industrial markets. The company was founded in 1985 and is based in Houston, Texas. On August 23, 2020, TNT Crane & Rigging, Inc., along with its affiliates, filed a voluntary petition for reorganization under Chapter 11 in the U.S. Bankruptcy Court for the District of Delaware.

Ascent Resources, LLC is an oil and gas exploration and production company based in Oklahoma City, Oklahoma. Founded in 2014, the company focuses on acquiring, developing, and producing natural gas and oil primarily in the Appalachian Basin. Ascent Resources holds approximately 300,000 net acres of land in this region, which is known for its significant potential for shale oil, liquids, and natural gas. The company emphasizes equal employment opportunities for all employees and applicants, promoting a diverse and inclusive workforce.

Amromco Energy LLC is an independent exploration and production company headquartered in Houston, Texas, with additional offices in New York and Romania. The company specializes in enhancing existing oil and gas fields in emerging markets, particularly in Romania, where it became the first private entity to produce hydrocarbons in fifty years, starting gas production in June 2003. Amromco operates enhancement activities for twenty-eight gas fields in Romania and is actively seeking further opportunities in Romania and other countries in Central and South East Europe. Its services encompass drilling, location preparation, and natural gas production management.

Barra Energia Petroleo e Gas is an oil exploration and production company specialized in basins off the coast of Brazil. The company was one of the first independent Brazilian firms to invest in pre-salt assets, and it now owns a stake in one post-salt producing field in the Santos Basin.

Acteon Group Limited specializes in subsea services for the oil and gas industry, operating both in the United Kingdom and internationally. The company offers a range of services including high precision subsea measurement, asset management, and environmental monitoring. Additionally, Acteon provides riser and mooring services, which encompass design, supply, installation, relocation, and decommissioning. The company also supplies machinery rental services, focusing on marine energy and infrastructure solutions for the renewable and nearshore construction sectors. By delivering specialized engineering services and technology, Acteon supports clients in efficiently managing their marine infrastructure throughout the asset lifecycle, helping to reduce operational costs and carbon footprints.

Chart Industries, Inc. is a global manufacturer specializing in engineered equipment for the energy and industrial gas sectors. The company operates through four main segments focused on distribution and storage across different regions, as well as energy and chemical cryogenics. Its product offerings include a variety of heat exchangers, cold boxes, high-pressure reactors, and cryogenic solutions tailored for the storage and distribution of industrial gases. Additionally, Chart provides critical components for liquefied natural gas applications, including cryogenic trailers, storage tanks, and regasification equipment. The company also designs pressure equipment for cryogenic and petrochemical industries and offers a range of support services, such as installation, maintenance, and process optimization. Founded in 1992 and headquartered in Ball Ground, Georgia, Chart Industries plays a significant role in the liquid gas supply chain, facilitating the efficient separation and processing of gases like oxygen and nitrogen.

Quanta Services is a leading provider of specialty contracting services, focusing on comprehensive infrastructure solutions across the electric power, oil and natural gas, communications, and renewable energy sectors. Operating in the United States, Canada, Australia, and Latin America, the company offers a diverse range of services, including the design, installation, maintenance, and repair of electric power transmission and distribution systems, as well as pipeline infrastructure. Quanta also engages in the development and maintenance of renewable energy facilities, such as solar and wind projects, and provides emergency restoration services for infrastructure affected by severe weather. With a workforce of approximately 20,000 employees and a commitment to integrated solutions, Quanta positions itself as a single-source contractor capable of managing complex projects traditionally requiring multiple vendors. Headquartered in Houston, Texas, Quanta Services has been serving its clients since its founding in 1997.

Quanta Services is a leading provider of specialty contracting services, focusing on comprehensive infrastructure solutions across the electric power, oil and natural gas, communications, and renewable energy sectors. Operating in the United States, Canada, Australia, and Latin America, the company offers a diverse range of services, including the design, installation, maintenance, and repair of electric power transmission and distribution systems, as well as pipeline infrastructure. Quanta also engages in the development and maintenance of renewable energy facilities, such as solar and wind projects, and provides emergency restoration services for infrastructure affected by severe weather. With a workforce of approximately 20,000 employees and a commitment to integrated solutions, Quanta positions itself as a single-source contractor capable of managing complex projects traditionally requiring multiple vendors. Headquartered in Houston, Texas, Quanta Services has been serving its clients since its founding in 1997.

CiDRA is a technology company that specializes in developing instrumentation solutions for measurement, monitoring, and control applications across various industries, including minerals processing, concrete, oil sands, power generation, dredging, and water/wastewater. Established in 1996 and headquartered in Wallingford, Connecticut, CiDRA is recognized for its SONARtrac® flow technology, which offers a unique approach to flow measurement, particularly in challenging slurry applications. The company focuses on process optimization, providing products and services related to flow management, slurry rheology characterization, and overall plant monitoring. CiDRA serves a diverse clientele, with over 250 customers in 21 countries, and continues to expand its international presence. In 2007, CiDRA Chemical Management Inc., a subsidiary, was formed to cater specifically to the pulp, paper, and agricultural processing markets.