The U.S. Department of Energy is a government agency established in 1977, located in Washington, D.C. Its primary mission is to ensure the security and prosperity of the nation by tackling energy, environmental, and nuclear challenges. The Department focuses on promoting transformative scientific and technological solutions to address these issues, thereby supporting the country's energy needs and environmental sustainability.

Founded in 1969, Macquarie Group is a global provider of banking, financial, advisory, investment, and funds management services. It offers a diversified range of services to clients across industries such as resources, energy, financial institutions, infrastructure, real estate, and more. With over 13,000 employees in 28 countries, Macquarie had assets under management of $US359 billion as of September 2013.

European Investment Bank is the EU's long-term lending institution owned by its member states. It finances public and private sector projects across transportation, energy, telecommunications, health, education, water, housing, and other sectors in the European Union and beyond. The bank provides a range of financing tools including project loans, guarantees, debt and equity investments, and risk-sharing arrangements, as well as microfinance and venture capital funds. It also offers advisory services, infrastructure funding, and support for urban development, PPPs, and sustainable energy projects. Through infrastructure and environmental funds and partnerships with banks and intermediaries, it supports SMEs, innovation, and the transition to a low-carbon economy.

Apollo is a global investment management firm specializing in private equity, credit-oriented capital markets, and real estate investments.

Goldman Sachs is a global financial services firm that provides investment banking, securities, and investment management services to corporations, governments, financial institutions, and high-net-worth individuals. It advises on mergers and acquisitions, restructurings, and other corporate actions; underwrites public offerings and debt; and helps clients raise capital through various markets. The firm engages in market making and client execution across fixed income, currencies, commodities, and equities, and offers securities services including financing and lending to institutional clients. Its asset management and wealth advisory businesses manage assets and provide investment solutions for a broad client base, including institutions and individuals. Headquartered in New York, the company serves clients worldwide and operates across multiple business lines to support capital formation, risk management, and investment activities.

The Australian Renewable Energy Agency (ARENA) was established on 10 July 2011 as part of the Australian Government's Clean Energy Future package. As an independent statutory authority under the Commonwealth Authorities and Companies Act 1997, ARENA aims to enhance the competitiveness of renewable energy technologies and increase the supply of renewable energy in Australia. Since its operational start on 1 July 2012, ARENA has managed the administration of projects and initiatives previously overseen by the Australian Centre for Renewable Energy and the Department of Resources, Energy and Tourism. Additionally, as of 1 January 2013, ARENA has taken on the responsibilities of the Australian Solar Institute. With approximately $3 billion available for investment, ARENA plays a crucial role in advancing renewable energy projects across the country.

ArcLight Capital Partners is a private equity firm established in 2001, specializing in energy infrastructure investments. Co-founded by Daniel R. Revers and Robb E. Turner, the firm has developed a strong reputation for its broad and profitable investment strategies across the energy sector while effectively managing downside risks. ArcLight's investment performance is attributed to its conservative investment philosophy, extensive asset-level expertise, and significant market experience. The firm has a proven track record of generating superior returns throughout the energy industry value chain and currently manages over $10 billion across five funds.

Founded in 2008, EnCap Flatrock Midstream is a private equity firm focused on investing in and enhancing the value of businesses and assets within North America's midstream oil and gas industry. The firm manages multiple funds totaling over $6 billion in institutional capital commitments, targeting investments in energy infrastructure, industrials, and related sectors.

Enbridge is a leading North American energy transportation and distribution company. It operates the world's longest crude oil and liquids pipeline system, spanning Canada and the United States. Enbridge also owns and operates regulated natural gas utilities in both countries, including Canada's largest distribution company. Additionally, it has interests in renewable and alternative energy generation, with a focus on wind projects.

TotalEnergies is a diversified global energy company active in oil and gas, renewables, electricity and chemicals. It explores for, produces, refines and markets hydrocarbons, and engages in gas and power trading, with a presence in more than 130 countries and around 93,000 employees. The company is expanding in low-carbon energy through renewables such as solar and wind, biofuels and energy storage, and pursues research and development to improve reliability and efficiency of energy supply, aiming to meet growing demand today and in the future while supporting the energy transition.

CIBC Capital Partners is a Toronto-based investment firm specializing in direct, fund, and mezzanine investments. It provides subordinated debt and equity to mid- and late-stage private or public companies for growth financing, acquisitions, management buyouts, and recapitalizations. The firm prefers investments in later-stage companies undergoing financial restructurings, with a focus on sectors such as Industrials, Healthcare, Biotechnology, Financials, and Technology. It typically invests CAD10-20 million ($9.81-$19.61 million) per company, based primarily in Canada, Europe, and Australia.

Alberta Investment Management Corporation (AIMCo) is a crown corporation owned by the Province of Alberta, primarily serving pension plans and endowment funds. It manages global investment portfolios across public equity, fixed income, private equity, real estate, and alternative markets. AIMCo invests in mortgages and provides financing for high-quality commercial properties within Canada. The firm employs a combination of fundamental and quantitative analysis to create its investment portfolios.

The International Finance Corporation (IFC), established in 1956, is a member of the World Bank Group dedicated to fostering private sector development in emerging markets. It provides financial services, including loans and equity investments, ranging from $1 million to $100 million, with a focus on projects that drive economic growth and social impact. IFC invests across various sectors such as infrastructure, agriculture, manufacturing, healthcare, education, technology, and financial services.

Ferrellgas has been a trusted provider of propane solutions for over 70 years, serving a diverse range of customers including residential, commercial, agricultural, and industrial sectors across all 50 states, the District of Columbia, and Puerto Rico. The company specializes in the distribution and sale of propane, along with related equipment and supplies. Its operations span several regions in the United States, including the Midwest, Southeast, Southwest, and Northwest. Ferrellgas caters to various customer needs, including portable tank exchanges and wholesale services. The company derives its revenue primarily from propane distribution and the sale of associated products, maintaining a strong commitment to quality and customer service.

ONEOK is a diversified energy company engaged in natural gas liquids, natural gas pipelines, and natural gas gathering and processing. It operates primarily in the Mid-Continent, Permian, and Rocky Mountain regions of the United States. ONEOK provides safe and reliable energy services to its diverse customer base, including integrated and independent exploration and production companies, NGL and natural gas gathering and processing companies, crude oil and natural gas production companies, propane distributors, ethanol producers, petrochemical, refining, and NGL marketing companies, natural gas distribution companies, electric-generation facilities, industrial companies, municipalities, producers, processors, and marketing companies.

Constellation Energy is a major energy company that generates and supplies electricity and natural gas to wholesale and retail customers. It maintains a diversified generation portfolio that includes nuclear, wind, solar, natural gas, and hydro assets and operates a regulated utility, Baltimore Gas and Electric, in Central Maryland. Headquartered in Baltimore, the company serves utilities, municipalities, cooperatives, and commercial, industrial, public sector, and residential customers across multiple regions. It focuses on reliable energy supply and sustainable solutions, including energy efficiency programs and home services, and aims to support clean energy adoption and grid reliability.

Unitil is a utilities company focused on the local distribution of electricity and natural gas in the northeastern United States, serving customers in New Hampshire, Massachusetts, and Maine. Through its subsidiaries, it operates two main segments—Electric Operations and Gas Operations—and also provides energy brokering and advisory services to commercial and industrial customers, as well as real estate management. The company serves about 106,100 electric customers and 83,900 natural gas customers and maintains 86 miles of interstate underground natural gas transmission pipeline in Maine and New Hampshire. Founded in 1984 and headquartered in Hampton, New Hampshire, Unitil is dedicated to reliable energy delivery and related services across its service territories.

Stonepeak specializes in infrastructure and real assets investments. It manages capital for over 270 global institutional investors, focusing on sectors such as transport, communications, water, energy transition, and power & renewable energy.

Energy Spectrum Capital is a Dallas-based private equity and venture capital firm focused on energy infrastructure investments in North America. It specializes in midstream energy assets such as oil and gas pipelines, storage and transportation facilities, crude and natural gas pipelines, natural gas liquids, and related infrastructure, as well as energy service and power development companies. The firm typically makes equity investments of 50 to 200 million, including follow-on rounds, and targets exits after roughly three to seven years. Founded in 1995, it concentrates on opportunities in the United States and Canada.

Spire Inc. is a public utility holding company based in St. Louis, Missouri, specializing in the purchase, distribution, and sale of natural gas to residential, commercial, and industrial customers across the United States. The company operates primarily through two segments: Gas Utility and Gas Marketing. Its Gas Utility segment provides safe and reliable natural gas services to over 1.13 million customers in St. Louis, eastern Missouri, Kansas City, and western Missouri. The Gas Marketing segment involves the marketing of natural gas and offers energy services to both regulated and non-regulated customers. In addition to its core natural gas operations, Spire engages in the transportation of propane, compression of natural gas, risk management, and physical natural gas storage services. Founded in 1857, Spire Inc. was originally known as The Laclede Group, Inc. until it rebranded in April 2016.

Enterprise Products Partners is a large midstream energy company providing services to producers and consumers of natural gas, natural gas liquids, crude oil, refined products, and petrochemicals. It transports and processes these commodities through extensive infrastructure across the continental United States, serving most producing regions. The company is particularly dominant in the natural gas liquids market and offers midstream services across the full hydrocarbon value chain.

Founded in 1985, Blackstone is a global investment firm that manages capital on behalf of pension funds and large institutions across alternative asset classes. It offers services to institutional investors, including pension plans and pooled investment vehicles, through its various subsidiaries such as Blackstone Alternative Asset Management.

HPS Investment Partners is a global investment firm focused on non-investment grade credit. Founded in 2007 and headquartered in New York, it operates with offices worldwide. The firm originated as a unit of Highbridge Capital Management, a subsidiary of J.P. Morgan Asset Management, and was acquired by its principals in 2016, with J.P. Morgan retaining the hedge fund strategies. HPS manages a broad set of capital-structure strategies, including syndicated leveraged loans, high-yield bonds, privately negotiated senior secured debt, mezzanine financing, asset-based leasing, and private equity, serving clients across industries such as insurance, healthcare, media, retail, logistics, and marine.

Pearl Energy Investments is a Dallas, Texas-based private equity firm specializing in energy sector investments in North America. The firm targets small to mid-market upstream, midstream, and oilfield services companies, and seeks equity investments in the tens of millions of dollars. Founded in 2015, Pearl Energy Investments partners with energy-focused businesses to support growth and value creation across North American markets.

Williams, established in 1908, is a Tulsa, Oklahoma-based energy infrastructure company. It specializes in transporting, processing, and storing natural gas, as well as moving natural gas liquids (NGLs). Williams owns and operates strategic assets across the United States, including interstate natural gas pipelines and gathering & processing facilities in regions like the Rockies, Gulf of Mexico, and the Eastern Seaboard. With over 5,000 employees, the company plays a significant role in connecting North America's hydrocarbon resources to growing natural gas markets.

EQT Corporation is a natural gas production company based in Pittsburgh, Pennsylvania, with a significant focus on the Appalachian region, particularly the Marcellus and Utica shale plays. Founded in 1925, the company has established itself as a leader in the industry, employing advanced horizontal drilling technology to minimize environmental impact. As of year-end 2023, EQT's proven reserves reached 27.6 trillion cubic feet equivalent, with net production totaling 5.79 billion cubic feet equivalent per day, predominantly from natural gas, which constituted 94% of the production. Furthermore, EQT is involved in gathering and transmission operations and serves as the general partner and major equity owner of EQT Midstream Partners. The company is dedicated to safe and responsible energy production to meet the growing demand for clean-burning energy while enhancing the communities where it operates.

KKR is a global investment firm that manages multiple alternative asset classes, including private equity, energy, infrastructure, real estate, and credit, with strategic partners that manage hedge funds. It pursues attractive investment returns through a patient, disciplined approach, anchored by high-quality people, strong standards of excellence, and a clear alignment of interests with its investment partners.

Occidental Petroleum Corporation is an international oil and gas exploration and production company headquartered in Houston, Texas. Founded in 1920, the company focuses on the acquisition, exploration, and development of oil and gas properties across the United States, the Middle East, and Latin America. Its operations are divided into three main segments: Oil and Gas, Chemical, and Marketing and Midstream. The Oil and Gas segment is responsible for exploring and producing oil, natural gas liquids, and natural gas. The Chemical segment manufactures and markets a variety of basic chemicals and vinyl products. The Marketing and Midstream segment handles the gathering, processing, and transportation of hydrocarbons, while also managing storage and marketing activities. Occidental is recognized for its commitment to leveraging advanced technology to enhance production and access challenging reserves, employing over 40,000 individuals and contractors globally.

Cheniere Energy is an international energy company headquartered in Houston, Texas. It is the leading producer of liquefied natural gas (LNG) in the United States, providing clean and secure energy to global markets. The company operates two LNG facilities in Corpus Christi, Texas, and Sabine Pass, Louisiana.

NextEra Energy is a leading U.S. energy company focused on regulated electricity delivery and large-scale renewable generation. Its regulated subsidiary Florida Power & Light is the largest rate-regulated utility in Florida, serving more than six million customer accounts and owning a substantial generation fleet. The company’s renewable arm, NextEra Energy Resources, develops and operates wind, solar, nuclear, and natural gas facilities across the United States and Canada, totaling more than 37 gigawatts of generation capacity. NextEra Energy emphasizes clean energy growth through contracted wind and solar projects and related energy infrastructure investments, aiming to provide reliable power with lower emissions. The company plays a major role in North American energy infrastructure, supporting jobs and economic activity while pursuing ongoing expansion in renewable and traditional generation to meet evolving demand.

Founded in 1944, the Business Development Bank of Canada is a government-owned financial institution dedicated to supporting small and medium-sized enterprises (SMEs) across Canada. It offers a range of services including financing, consulting, subordinate financing, and venture capital.

Devon Energy is an independent energy company primarily engaged in the exploration, development, and production of oil, natural gas, and natural gas liquids. With a focus on several top US shale plays, Devon holds significant acreage in the Permian Basin, Anadarko, Eagle Ford, and Bakken basins.

ProFrac Services is an energy services company specializing in hydraulic fracturing, completion services, and complementary products for leading upstream oil and gas companies exploring and producing unconventional resources across North America.

Shell is a global energy company operating in over 70 countries, employing approximately 87,000 people. It explores for, produces, refines, and markets oil and natural gas, while also manufacturing and marketing chemicals. The company aims to power progress responsibly by meeting the world's growing energy demand while transitioning towards cleaner energy solutions.

EIV Capital is a Texas-based investment firm, founded in 2009 and headquartered in Houston, focused on growth and private equity investments in the energy sector. The firm targets energy infrastructure and midstream and downstream opportunities across the United States, including companies involved in production, processing, transportation, storage, or conversion of oil, natural gas, refined products, and renewable fuels. EIV Capital aims to create value through collaborative partnerships between entrepreneurial management teams and seasoned energy investors, supporting companies as they grow and optimize operations across the energy value chain.

SK Gas is a liquefied petroleum gas (LPG) provider that operates both domestically in South Korea and internationally. The company is engaged in the marketing and trading of LPG, along with the management of import and tank terminal operations. Additionally, SK Gas is involved in propane de-hydrogenation, a process that converts propane into propylene. Its operational reach extends to several key markets, including Korea, China, Singapore, the United States, and the United Arab Emirates. Through its diverse business activities, SK Gas plays a significant role in the global LPG supply chain.

Eni is an Italian energy company that explores for and produces oil and natural gas, develops fields, and supplies, trades, and ships natural gas, LNG, electricity, fuels, and chemical products. It operates globally across upstream and downstream activities and focuses on delivering sustainable value to its shareholders and other stakeholders while pursuing an energy transition strategy. Eni places renewable and low‑carbon businesses in a separate entity called Plenitude, with potential public listing in the future. Through its integrated business model, the company combines exploration, production, refining, and trading with investments in new technologies and partnerships to support secure energy supply while reducing environmental impact.

ExxonMobil is a global energy company that explores for, produces, refines, and markets crude oil, natural gas, and petroleum products. It also manufactures chemicals. With operations in over 20 countries, ExxonMobil produced approximately 3 million barrels of liquids and 9 billion cubic feet of natural gas per day in 2021.

ConocoPhillips is a global energy company focused on exploration, production, and marketing of crude oil, natural gas liquids, and natural gas. With operations in over a dozen countries, the company is renowned for its technical capabilities, asset quality, scale, and financial strength. It is committed to safe, efficient, and environmentally responsible operations, aiming to improve global quality of life while generating economic benefits.

EnLink Midstream is an integrated midstream energy company that provides a range of services across five operating segments: Permian, North Texas, Oklahoma, Louisiana, and Corporate. The company specializes in the gathering, processing, transportation, and storage of natural gas, natural gas liquids, crude oil, and condensate, as well as offering brine disposal services. EnLink operates approximately 12,000 miles of pipelines, 21 natural gas processing plants, seven fractionation facilities, and various storage and terminal facilities. It plays a significant role in key North American oil and gas regions, including the Gulf Coast, Haynesville, and Permian basins. EnLink Midstream aims to deliver customized solutions that foster sustainable growth and value for its customers and stakeholders, leveraging its diverse asset base and strategic industry relationships. Founded in 2002 and headquartered in Dallas, Texas, the company was previously known as Crosstex Energy L.P. before rebranding in 2014.

Founded in 1910, South Jersey Industries is a holding company that provides energy-related products and services. It primarily focuses on the transmission, distribution, and sale of natural gas to residential, commercial, and industrial customers in southern New Jersey. The company also engages in energy marketing, storage, and transportation services, as well as develops and operates energy projects such as combined heating and power facilities and solar-generation sites.

Iberdrola is a global utility company focused on the production, distribution, and retail of electricity and gas. It generates power from nuclear, hydro, and other sources, with a substantial share from renewables, and is a major owner of wind energy. The company operates electricity networks and distribution assets across multiple countries and serves customers in a broad geographic footprint, including Spain, the United Kingdom, Brazil, and the United States, with activity in nearly 40 countries. Iberdrola emphasizes the energy transition through a sustainable business model built on renewable energy, smart grids, large-scale energy storage, and digital transformation to offer advanced products and services.

Mercuria is a leading independent energy and commodity group, recognized as one of the largest in the world. The company specializes in energy commodities and maintains a comprehensive presence throughout the value chain. This is achieved through a strategic combination of global commodity flows and key assets, allowing Mercuria to effectively navigate the complexities of the energy market.

Global Infrastructure Partners is an independent global infrastructure investor and fund manager established in 2006. It targets core infrastructure assets in energy, transportation, digital infrastructure, water and waste management, with operations spanning Europe, North America and beyond. The firm emphasizes a disciplined investment approach built on proprietary deal origination, thorough due diligence, strong stakeholder relationships, and clear value creation opportunities, while integrating ESG considerations to enhance long-term value for communities and investors.

European Bank for Reconstruction and Development finances projects and provides advisory services to the public and private sectors. It supports new ventures and expansion in existing companies through project financing, loans, and equity or quasi-equity investments, including equity funds and guarantees, and it partners with private entities to invest across sectors such as banking, energy, manufacturing, infrastructure, information technology, and services. The bank also helps publicly owned entities privatize and restructure municipal services and engages in policy reform dialogue and advisory services, along with trade finance and loan syndication. Founded in 1990 and headquartered in London, it operates across regions including Southeastern and Central Europe, the Baltic States, Eastern Europe and the Caucasus, Central Asia, and parts of the Middle East and Africa, aiming to foster market-oriented change and private sector development by mobilizing capital for sustainable investments. It has invested more than €130 billion in over 5,200 projects.

Diamondback Energy is an independent oil and natural gas company based in Midland, Texas. It focuses on the acquisition, development, exploration, and exploitation of unconventional reserves in the Permian Basin, specifically targeting formations like Spraberry, Wolfcamp, Clearfork, Cline, Strawn, and Atoka.

Caisse de Depot et Placement du Quebec is a global fund manager that primarily serves public and private pension funds and insurance plans in Québec. Known as depositors, these clients entrust their funds to the Caisse, which strategically invests in financial markets both within Québec and internationally. The objective of these investments is to generate profitable returns, contributing to the financial stability and growth of the depositors' assets.

Southwestern Energy Company is an independent energy firm focused on the exploration, development, and production of natural gas, oil, and natural gas liquids in the United States. The company operates primarily in two segments: Exploration and Production, which is its main revenue driver, and Marketing. Southwestern Energy emphasizes the development of unconventional natural gas reservoirs, particularly in Pennsylvania and West Virginia, holding significant acreage in Northeast and Southwest Appalachia. As of the end of 2019, the company reported substantial proved reserves, including over 12,721 billion cubic feet of natural gas equivalent and 929 billion cubic feet of proved undeveloped reserves. Additionally, it engages in marketing natural gas, oil, and natural gas liquids, catering to energy companies, utilities, and industrial buyers. Founded in 1929, Southwestern Energy is headquartered in Spring, Texas.

Founded in 2006 and headquartered in Houston, Post Oak Energy Capital is a private equity firm specializing in energy investments across North America. The firm focuses on mid-market acquisitions, growth capital, and recapitalizations within the oil and gas sector.

AP Ventures, established in 2018 and based in London, is a venture capital firm specializing in early-stage investments. It focuses on innovative technologies and businesses that leverage the unique properties of Platinum Group Metals to address global challenges, with a key focus on decarbonization and the hydrogen value chain. The firm, led by a team with proven expertise, invests in the United Kingdom across information technology, materials, resources, and manufacturing sectors.