The Renco Group is a privately held conglomerate based in the United States. It was founded in 1975 by Ira Rennert and is headquartered in New York City. The company operates in various industries including mining, automotive supply, defense, and energy.

The Renco Group primarily focuses on mining and metals production through its subsidiary, Doe Run Company. Doe Run is one of the world's largest integrated lead mining and lead metal processing companies. It operates lead mining and processing facilities in Missouri, as well as a lead recycling facility in Tennessee.

The company also owns the La Oroya complex in Peru, which is one of the world's largest integrated copper, zinc, and lead smelting and refining facilities. In addition to mining, The Renco Group has interests in the automotive industry. It owns AM General, which manufactures the Humvee military vehicle, and RenRe Energy Advisors, a renewable energy company focused on providing solutions for electric vehicles and energy storage.

On a global scale, The Renco Group has established joint ventures and partnerships to expand its operations. One notable partnership is with Rusal, the world's second-largest aluminum producer, for bauxite mining in Guyana. The company also has partnerships in defense with industry-leading companies.

The Renco Group holds a prominent position in its industries, particularly in mining and automotive manufacturing. Its subsidiary, Doe Run, is a leading player in the global lead market. The company has developed a reputation for its focus on sustainability and environmental responsibility in its operations.

In terms of major events, The Renco Group has experienced growth through acquisitions and strategic investments. It has constantly sought opportunities to expand its portfolio and enhance its global presence. As of the latest available information, The Renco Group maintains its status as a privately held company.

Further updates and key information about the company are not known at this time