George Bishop, founder of GeoSouthern Energy, built his fortune in oil and gas by focusing on shale plays and unconventional drilling. Starting his career in the energy sector in the 1980s, he grew GeoSouthern into a major player in the Eagle Ford Shale of Texas before selling a large stake to Devon Energy for $6 billion in 2013. Known for his low profile and disciplined approach, Bishop has since diversified into other energy ventures and real estate, establishing himself as one of America’s quietest self-made billionaires.

Mohammed Al Barwani, Omani billionaire businessman and founder of MB Holding Company, has built a diversified global enterprise spanning oil and gas, mining, engineering, and investments. Since establishing the group in 1982, he has expanded its operations to more than 20 countries, combining strategic acquisitions with organic growth. Known for his disciplined approach to business and philanthropy, Al Barwani remains a key figure in Oman’s private sector, with interests ranging from natural resources to high-value global investments.

Farris Wilks is a self-made billionaire who, alongside his brother Dan, founded Frac Tech Services in 2002. After selling their majority stake for approximately $3.5 billion in 2011, Farris now directs his wealth into evangelical philanthropy, major land ownership across Idaho and Montana, and leads the Assembly of Yahweh 7th Day church in Cisco. He is also one of the most prolific conservative donors nationally. 

Edward Perry “Ed” Bass is a Texas oil heir, financier, philanthropist, and environmental advocate. A Yale alumnus, he is the chairman of venture firm Fine Line and co-founded the avant‑garde Biosphere 2 project in Arizona. He spearheaded Fort Worth’s Sundance Square urban renewal, built the acclaimed Bass Performance Hall, and oversees conservation land holdings across Kansas prairies through his Philecology Trust. 

Dan H. Wilks is an American petroleum entrepreneur who co-founded Frac Tech in 2002 with his brother Farris. They grew the company from their modest beginnings in Cisco, Texas, and sold their 70% interest for $3.5 billion in 2011. Now among the wealthiest Texans, Dan invests in land and energy and is a major conservative political donor. 

Andrew Tisch is co‑chairman of Loews Corporation, the diversified family-run holding company spanning insurance, energy, hotels, and real estate. A Cornell and Harvard alumnus, Tisch has led major turnarounds—such as Bulova and Lorillard—and today guides the firm alongside his brother and cousin.

George Kaiser is an American billionaire businessman, philanthropist, and chairman of BOK Financial Corporation. He is known for his substantial contributions to education, healthcare, and early childhood development through the George Kaiser Family Foundation. Kaiser maintains a low public profile despite his considerable wealth and influence.

John Fredriksen is a Norwegian-born Cypriot shipping magnate and one of the most influential figures in the global shipping industry. He is best known for his ownership of the world's largest oil tanker fleet and significant stakes in various shipping and offshore drilling companies.

Harold Hamm is an American oil and gas entrepreneur, known for his pioneering work in the development of the Bakken oil field in North Dakota and Montana. He is the founder and chairman of Continental Resources, a leading oil producer in the United States. Hamm is also recognized for his significant contributions to the energy industry and his philanthropic efforts.

Idan Ofer is an Israeli billionaire businessman and philanthropist, known for his extensive investments in various industries including shipping, energy, and mining. He is the founder of Quantum Pacific Group and has significant stakes in multiple global corporations.

Gennady Timchenko is a Russian billionaire known for his extensive involvement in the energy and commodities sectors. As the co-founder of Gunvor Group, one of the world's largest independent commodity trading companies, and a key player in various Russian enterprises, he has significant influence over global energy markets.

Vinod Shantilal Adani, an influential businessman and elder brother of Gautam Adani, has made significant strides in the business world, primarily through the Adani Group. His extensive experience and strategic vision have been pivotal in the expansion and success of the family conglomerate.

Vagit Alekperov is a prominent Russian billionaire and the president of Lukoil, one of the largest oil companies in the world. With a background in the oil industry, he has significantly influenced the energy sector globally. Alekperov is known for his strategic vision and leadership in expanding Lukoil's operations.

Gautam Adani is an Indian billionaire industrialist and the chairman and founder of the Adani Group, a conglomerate involved in port development and operations in India. Adani has also invested in various sectors such as energy, resources, logistics, agribusiness, real estate, financial services, and defense.