Air Products and Chemicals, Inc. provides atmospheric gases, process and specialty gases, equipment, and related services in the Americas, Asia, Europe, the Middle East, India, and internationally. The company produces atmospheric gases, including oxygen, nitrogen, and argon; process gases, such as hydrogen, helium, carbon dioxide, carbon monoxide, and syngas; and specialty gases for customers in various industries, including refining, chemical, manufacturing, electronics, energy production, medical, food, and metals. It also designs and manufactures equipment for air separation, hydrocarbon recovery and purification, natural gas liquefaction, and liquid helium and liquid hydrogen transport and storage. The company was founded in 1940 and is headquartered in Allentown, Pennsylvania.

Antero Resources Corporation, an independent oil and natural gas company, engages in the development, production, exploration, and acquisition of natural gas, natural gas liquids (NGLs), and oil properties in the United States. It operates in three segments: Exploration and Development; Marketing; and Equity Method Investment in Antero Midstream. As of December 31, 2023, the company had approximately 515,000 net acres in the Appalachian Basin; and approximately 172,000 net acres in the Upper Devonian Shale. Its gathering and compression systems also comprise 631 miles of gas gathering pipelines in the Appalachian Basin. The company was formerly known as Antero Resources Appalachian Corporation and changed its name to Antero Resources Corporation in June 2013. Antero Resources Corporation was incorporated in 2002 and is headquartered in Denver, Colorado.

Ashland Inc. provides additives and specialty ingredients in the North and Latin America, Europe, Asia Pacific, and internationally. It operates through Life Sciences, Personal Care, Specialty Additives, and Intermediates segments. The Life Sciences segment offers pharmaceutical solutions, including controlled release polymers, disintegrants, tablet coatings, thickeners, solubilizers, and tablet binders; and nutrition solutions, such as thickeners, stabilizers, emulsifiers, and additives. Its Personal Care segment provides a range of natural, nature-derived, biodegradable, and performance ingredients; solutions for toothpastes, mouth washes and rinses, denture cleaning, and care for teeth; and household supplies nature-derived rheology ingredients, biodegradable surface wetting agents, performance encapsulates, and specialty polymers. The Specialty Additives segment offers rheology modifiers, foam control agents, surfactants and wetting agents, pH neutralizers, advanced ceramics used in catalytic converters, environmental filters, ingredients for the manufacturing of ceramic capacitors, plasma display panels and solar cells, ingredients for textile printing, thermoplastic metals, and alloys for welding. Its Intermediates segment produces 1,4 butanediol and related derivatives, including n-methylpyrrolidone. It offers its products to customers in a range of consumer and industrial markets, such as architectural coatings, construction, energy, food and beverage, personal care, and pharmaceutical. The company was formerly known as Ashland Global Holdings Inc. and changed its name to Ashland Inc. in August 2022. Ashland Inc. was founded in 1924 and is headquartered in Wilmington, Delaware.

Arch Resources, Inc. engages in the production and sale of metallurgical products. It operates in two segments, Metallurgical and Thermal. The company operates active mines. It owned or controlled primarily through long-term leases of coal land in Ohio, Maryland, Virginia, West Virginia, Wyoming, Kentucky, Montana, Pennsylvania, Colorado, and Illinois; and smaller parcels of property in Alabama, Indiana, Washington, Arkansas, California, Utah, and Texas. The company sells its products to utility, industrial, and steel producers in the United States and internationally. Arch Resources, Inc. was incorporated in 1969 and is headquartered in Saint Louis, Missouri.

Ingevity Corporation manufactures and sells activated carbon products, derivative specialty chemicals, and engineered polymers in North America, the Asia Pacific, Europe, the Middle East, Africa, and South America. It operates through three segments: Performance Materials, Performance Chemicals, and Advanced Polymer Technologies. The Performance Materials segment engineers, manufactures, and sells hardwood-based and chemically activated carbon products for use in gasoline vapor emission control systems in cars, motorcycles, trucks, and boats. This segment also produces other activated carbon products for food, water, beverage, and chemical purification applications. The Performance Chemicals segment consists of road technologies and industrial specialties. This segment's products are used in pavement construction, pavement preservation, pavement reconstruction and recycling, road markings, agrochemical dispersants, paper chemicals, and other industrial uses. The Advanced Polymer Technologies segment produces caprolactone and caprolactone-based specialty polymers for use in coatings, resins, elastomers, adhesives, bioplastics, and medical devices. It serves automotive parts and components manufacturers through sales representatives and distributors. The company was formerly known as WestRock Company, Specialty Chemicals Business and changed its name to Ingevity Corporation in September 2015. Ingevity Corporation was founded in 1964 and is headquartered in North Charleston, South Carolina.

Orion S.A., together with its subsidiaries, engages in the manufacture and sale of carbon black products. It operates in two segments, Specialty Carbon Black and Rubber Carbon Black. The company offers post-treated specialty carbon black grades for coatings and printing applications; high purity carbon black grades for the fiber industry; and conductive carbon black grades for batteries, polymers, and coatings. It also provides rubber carbon black products for applications in mechanical rubber goods, as well as in tires under the ECORAX brand name; and acetylene-based conductive additives for lithium-ion batteries and other applications. It operates in the United States, Brazil, rest of the Americas, Germany, South Africa, Italy, Spain, Turkey, France, Rest of EMEA, China, the Republic of Korea, and rest of Asia. The company was formerly known as Orion Engineered Carbons S.A. and changed its name to Orion S.A. in June 2023. Orion S.A. was founded in 1862 and is headquartered in Senningerberg, Luxembourg.

Gevo, Inc. operates as a carbon abatement company. It operates through three segments: Gevo, Agri-Energy, and Renewable Natural Gas. The company focuses on transforming renewable energy into energy-dense liquid hydrocarbons that can be used as renewable fuels. It offers renewable gasoline and diesel, isobutanol, sustainable aviation fuel, renewable natural gas, isobutylene, ethanol, and animal feed and protein. The company was formerly known as Methanotech, Inc. and changed its name to Gevo, Inc. in March 2006. Gevo, Inc. was incorporated in 2005 and is headquartered in Englewood, Colorado.

Sky Quarry Inc. operates as an oil production, refining, and environmental remediation company. The company facilitates recycling of waste asphalt shingles and remediation of oil-saturated sands and soils. It also engages in the refining of heavy oil into diesel and other petroleum products; and exploration and development of oil sand properties. The company was formerly known as Recoteq Inc. and changed its name to Sky Quarry Inc. in April 2020. Sky Quarry Inc. was incorporated in 2019 and is headquartered in Woods Cross, Utah.