Apollo

Founded in 1961, The State Group is a North American provider of electrical, mechanical, and civil trade services. It specializes in multi-trade construction, retrofit, maintenance, and emergency services for commercial, industrial, institutional, and automotive markets.

Alkegen is a company that specializes in high-performance specialty materials aimed at enhancing environmental sustainability by saving energy, reducing pollution, and improving fire safety for individuals, buildings, and equipment. It encompasses the operations of Unifrax I LLC, a prominent manufacturer of high-temperature insulation products that have been in operation since 1942. Unifrax offers a diverse range of thermal management solutions, including its well-known Fiberfrax® ceramic fiber, Insulfrax®, and Isofrax® products, among others. The company provides various forms of insulation, such as bulk fiber, blankets, boards, modules, and woven textiles, catering to multiple industries, including metals, chemicals, petroleum, power generation, automotive, and aerospace. Alkegen's commitment to innovation and quality in high-temperature insulation underscores its role in addressing complex application challenges across a wide spectrum of markets.

U.S. Silica Holdings is a prominent producer of high-quality silica products, including unground silica, ground silica, fine ground silica, calcined kaolin clay, and aplite. Established over a century ago, the company traces its origins to the discovery of the Oriskany sandstone deposit in West Virginia by Henry Harrison Hunter, who showcased silica sand at the 1893 Chicago World's Fair. Over the years, U.S. Silica has expanded its operations through acquisitions and the development of a diverse range of over 200 unique products. The company operates a comprehensive network of production plants and packaging facilities across the United States, facilitating reliable procurement of silica and other industrial minerals. A significant portion of its revenue is generated from its Oil and Gas Proppants segment, supporting hydraulic fracturing operations. U.S. Silica emphasizes collaboration with customers to innovate product applications while maintaining a commitment to health, safety, quality, and environmental integrity. In 2008, the company was acquired by Golden Gate Capital, a private equity firm based in San Francisco.

Arconic Corporation is a manufacturer of aluminum sheets, plates, extrusions, and architectural products, serving diverse industries such as ground transportation, aerospace, building and construction, industrial, and packaging. The company operates through three primary segments: Rolled Products, Extrusions, and Building and Construction Systems. The Rolled Products segment generates the majority of revenue, providing aluminum products used in automotive body panels, airframes, and industrial applications. The Extrusions segment focuses on producing various extruded products, including aerospace and automotive shapes. The Building and Construction Systems segment offers a range of solutions like entrances, curtain walls, and composite panels for fabricators and glazing subcontractors. Headquartered in Pittsburgh, Pennsylvania, Arconic was incorporated in 2019 and was previously known as Arconic Rolled Products Corporation until its name change in April 2020. The company operates internationally, with key revenue generated from the United States.

Phoenix Services offers comprehensive steel mill support services globally. It specializes in slag handling, scrap management, metal recovery, and in-plant logistics, aiming to maximize efficiency with minimal environmental impact.

OM Group, Inc. engages in the development, production, and marketing of specialty chemicals and advanced materials to complex chemical and industrial processes worldwide. The company produces cobalt-based specialty chemicals, as well as specialty chemicals and advanced materials from barium, calcium, iron, manganese, potassium, rare earths, zinc, zirconium, germanium, and copper. Its advanced materials include powders and specialty chemicals for various industries, such as rechargeable battery, construction equipment and cutting tools, catalyst, and ceramics and pigments. The company's specialty chemicals consist of electronic chemicals for the electronic packaging, memory disk, general metal finishing, and printed circuit board finishing markets; advanced organics for the tire, coating and inks, additives, and chemical markets; ultra-pure chemicals used in the manufacture of electronic and computer components, such as semiconductors, silicon chips, wafers, and liquid crystal displays; and photo-imaging masks and reticles for the semiconductor, optoelectronics, and microelectronics industries. OM Group's products are sold in various forms, such as solutions, crystals, cathodes, powders, and quartz or glass plates. The company was founded in 1991 and is headquartered in Cleveland, Ohio.

EP Energy Corporation is an independent exploration and production company that specializes in the acquisition and development of unconventional onshore oil and natural gas properties in the United States. The company’s key assets are located in the Eagle Ford Shale in South Texas, the Uinta Basin in Northeastern Utah, and the Permian Basin in West Texas. As of December 31, 2019, EP Energy reported proved reserves of 189.7 million barrels of oil equivalent, with an average net daily production of 70,898 barrels of oil equivalent per day. The company primarily markets its oil and natural gas production to third parties. Founded in 2013, EP Energy Corporation is headquartered in Houston, Texas.

EP Energy Corporation is an independent exploration and production company that specializes in the acquisition and development of unconventional onshore oil and natural gas properties in the United States. The company’s key assets are located in the Eagle Ford Shale in South Texas, the Uinta Basin in Northeastern Utah, and the Permian Basin in West Texas. As of December 31, 2019, EP Energy reported proved reserves of 189.7 million barrels of oil equivalent, with an average net daily production of 70,898 barrels of oil equivalent per day. The company primarily markets its oil and natural gas production to third parties. Founded in 2013, EP Energy Corporation is headquartered in Houston, Texas.

Noranda Aluminum Holding Corporation is an integrated producer of primary aluminum products and rolled aluminum coils, primarily based in the United States. The company operates one of the largest aluminum foil production facilities in North America, offering a diverse range of products including heavy gauge foil, light gauge converter foils, consumer foils, and light gauge sheet products. Additionally, its aluminum smelting operations include a fabrication facility that processes molten aluminum into various products such as rods, extrusion billets, and foundry ingots. Noranda Aluminum's manufacturing capabilities are further supported by rolling mills located in Huntingdon, Tennessee, enabling the company to effectively serve various market segments, including packaging and construction.

Metals USA is a leading distributor of processed metals, operating facilities across the United States to serve a diverse range of industries, including manufacturing, construction, shipbuilding, defense, and aerospace. The company specializes in providing a wide variety of metal products, including carbon steel, stainless steel, and non-ferrous materials such as aluminum, copper, and brass. Metals USA offers products in various configurations, including sheet, coil, and strip forms, as well as custom-engineered pre-paint solutions. With a focus on local service backed by a national network, the company caters to original equipment manufacturers and metal forming customers by ensuring timely and tailored support for their metal supply needs.