First Reserve

Palmdale Oil Company is a wholesale distribution business specializing in petroleum fuel and oil products. The company provides a comprehensive range of services, including the delivery of fuels and lubricants tailored to meet commercial needs. Their offerings encompass gasohol, distillate products, and various chemicals such as diesel exhaust fluid, coolants, solvents, degreasers, brake cleaners, and soaps. By supplying these essential products, Palmdale Oil Company aims to help businesses efficiently manage their fuel and lubricant requirements while minimizing the risk of abuse associated with these materials.

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 Corp. specializes in nondestructive testing (NDT) and materials engineering services, catering primarily to the oil and gas, petrochemical, chemical, power generation, and pipeline industries. Founded in 1953 and based in Edmonton, Canada, the company offers a comprehensive range of NDT technologies, including automated ultrasonics, radiographic inspection, and specialized pipeline integrity solutions. Additionally, IRISNDT provides fabrication and manufacturing services, encompassing the inspection of fabricated piping, pressure vessels, tanks, and structural steel. The company also delivers maintenance and emergency services for chemical processing and petrochemical plants, as well as rope access and heat treating services. With operations across various locations in Canada and the United States, IRISNDT aims to enhance operational efficiency and safety for its clients, helping to minimize unplanned downtime and optimize productivity.

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. is a retail fuel distribution company that operates a chain of gas service stations with convenience stores, primarily located in South Carolina. Founded in 2008 and based in Mount Pleasant, the company has established a presence in the growing market of fuel and convenience retail. Refuel's subsidiaries provide a range of services, including gas refueling, car washes, and the sale of quality fuel paired with fresh food options. This approach allows customers to refuel their vehicles while enjoying convenient access to meals and other services.

Blue Racer Midstream, LLC specializes in the development and provision of midstream infrastructure and services focused on natural gas. Founded in 2012 and headquartered in Dallas, Texas, the company operates in key areas including Marshall County, West Virginia, and Ohio. Its offerings include natural gas gathering, compression, treating, processing, and transportation, as well as condensate handling and the fractionation, storage, transportation, and marketing of natural gas liquids. Blue Racer Midstream operates interconnected midstream assets that facilitate the movement of natural gas products from production sites in the Utica and southwestern Marcellus shales to market, enabling customers in the Appalachian basin to access essential midstream services and optimize their pricing outcomes. The company is a joint venture between Dominion Resources and Caiman Energy II.

Dresser is a prominent manufacturer in the energy sector, specializing in the design, manufacture, and marketing of a wide range of infrastructure products. The company offers innovative and reliable equipment, including valves, actuators, meters, switches, regulators, piping products, natural gas-fueled engines, and retail fuel dispensers. Their product lineup supports flow control, measurement systems, compression, and power systems, catering to mission-critical applications within global energy infrastructure. Dresser is committed to providing affordable technology and products that meet the evolving demands of the energy industry, demonstrating a strong capability to support the development of energy and natural resources.

PetroShale Inc. is an oil company focused on the acquisition, development, and production of oil-weighted assets in the North Dakota Bakken/Three Forks region. The company manages approximately 8,218 net acres primarily located in McKenzie and Dunn counties, North Dakota, and has interests in Richland County, Montana, along with royalty interests in Alberta and Ontario. As of the end of 2019, PetroShale reported around 70.5 million barrels of oil equivalent in total proved plus probable reserves. Headquartered in Calgary, Canada, PetroShale is committed to consolidating its interests in this productive region.

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. is an oil company focused on the acquisition, development, and production of oil-weighted assets in the North Dakota Bakken/Three Forks region. The company manages approximately 8,218 net acres primarily located in McKenzie and Dunn counties, North Dakota, and has interests in Richland County, Montana, along with royalty interests in Alberta and Ontario. As of the end of 2019, PetroShale reported around 70.5 million barrels of oil equivalent in total proved plus probable reserves. Headquartered in Calgary, Canada, PetroShale is committed to consolidating its interests in this productive region.

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.

Dyer & Butler, founded in 1979, is a regional contractor with a strong financial and technical foundation, offering a diverse range of engineering services. The company serves various sectors, including aviation, rail, defense, and marine industries, specializing in civil, mechanical, and electrical engineering. Dyer & Butler is involved in the construction, maintenance, and renewal of infrastructure, delivering projects of all sizes while focusing on civil engineering and building works.

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, L.P. specializes in the transportation, storage, terminalling, and marketing of crude oil and natural gas liquids (NGL) across the United States and Canada. The company operates through three main segments: Transportation, Facilities, and Supply and Logistics. The Transportation segment manages an extensive network of pipelines and gathering systems, owning approximately 18,535 miles of active infrastructure and a significant capacity for storage. The Facilities segment focuses on providing storage and terminalling services, as well as processing for crude oil and NGL, with operational capacities including 79 million barrels of crude oil storage and multiple processing plants. The Supply and Logistics segment engages in purchasing, storing, and transporting crude oil and NGL, leveraging a diverse fleet of transport vehicles and railcars. Founded in 1998 and headquartered in Houston, Texas, Plains All American Pipeline plays a crucial role in the movement of energy supplies in North America, handling over 3.5 million barrels per day through its strategically located assets.

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 based in Rio de Janeiro, Brazil, focusing on offshore basins, including Santos, Campos, and Espírito Santo. The company is recognized for its technical and commercial expertise, which has enabled it to successfully locate, develop, and produce hydrocarbon resources in these areas. Barra Energia was among the first independent Brazilian firms to invest in pre-salt assets and currently holds a stake in a post-salt producing field in the Santos Basin. Through its efforts, the company contributes to Brazil's energy sector by leveraging local knowledge and specialized skills in the challenging offshore environment.

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 segments, offering a wide range of products such as heat exchangers, cold boxes, high-pressure reactors, and cryogenic components. These products facilitate the storage, distribution, vaporization, and application of industrial gases, including liquefied natural gas. Chart Industries also provides critical equipment for the separation of gases and the processing of natural gas, along with solutions for emerging markets such as hydrogen and biofuels. The company supports its products with services that include plant start-up, maintenance, and process optimization. Founded in 1992 and headquartered in Ball Ground, Georgia, Chart Industries has grown significantly, notably through its acquisition of Howden in early 2023, which expanded its capabilities and market presence.

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.