ATI Inc. produces and sells specialty materials and complex components worldwide. It operates in two segments: High Performance Materials & Components (HPMC) and Advanced Alloys & Solutions (AA&S). The HPMC segment produces various materials, including titanium and titanium-based alloys, nickel- and cobalt-based alloys and superalloys, metallic powder alloys, advanced powder alloys and other specialty materials, in long product forms, such as ingot, billet, bar, rod, wire, shapes and rectangles, and seamless tubes, as well as precision forgings, components, and machined parts. The AA&S segment produces zirconium and related alloys, including hafnium and niobium, nickel-based alloys, titanium and titanium-based alloys, and specialty alloys in a variety of forms, such as plate, sheet, and precision rolled strip products. It also provides hot-rolling conversion services, including carbon steel products. ATI Inc. serves to aerospace and defense, energy, automotive, construction and mining, food equipment and appliances, and medical markets. The company was formerly known as Allegheny Technologies Incorporated. ATI Inc. was incorporated in 1996 and is headquartered in Dallas, Texas.

Celanese Corporation, a chemical and specialty materials company, manufactures and sells high performance engineered polymers in the United States and internationally. It operates through Engineered Materials and Acetyl Chain. The Engineered Materials segment develops, produces, and supplies specialty polymers for automotive and medical applications, as well as for use in industrial products and consumer electronics. The Acetyl Chain segment produces and supplies acetyl products, including acetic acid, vinyl acetate monomers, acetic anhydride, and acetate esters that are used as starting materials for colorants, paints, adhesives, coatings, and pharmaceuticals; and organic solvents and intermediates for pharmaceutical, agricultural, and chemical products. It also offers vinyl acetate-based emulsions for use in paints and coatings, adhesives, construction, glass fiber, textiles, and paper applications; and ethylene vinyl acetate resins and compounds, as well as low-density polyethylene for use in flexible packaging films, lamination film products, hot melt adhesives, automotive parts, and carpeting applications. In addition, it provides redispersible powders (RDP) for use in construction applications, including flooring, plasters, insulation, tiling, and waterproofing. Celanese Corporation was founded in 1918 and is headquartered in Irving, Texas.

Cabot Corporation operates as a specialty chemicals and performance materials company. The company operates through two segments, Reinforcement Materials and Performance Chemicals. It offers reinforcing carbons that are used in tires as a rubber reinforcing agent and performance additive, as well as in industrial products, such as hoses, belts, extruded profiles, and molded goods; and engineered elastomer composites solutions. The company also provides specialty carbons for use in inks, coatings, plastics, adhesives, toners, batteries, and displays; conductive additives and fumed alumina used in lead acid and lithium-ion batteries for electric vehicles; fumed silica used in adhesives, sealants, cosmetics, batteries, inks, toners, silicone elastomers, coatings, polishing slurries, and pharmaceuticals; and fumed alumina for use in various products, including inkjet media, lighting, coatings, cosmetics, and polishing slurries. In addition, it offers aerogel, a hydrophobic, silica-based particle to use in various thermal insulation and specialty chemical applications; masterbatch and conductive compound products that are used in automotive, industrial, packaging, infrastructure, agriculture, consumer products, and electronics industries; and inkjet colorants for inkjet printing applications, as well as carbon nanotubes and fumed metal oxides. The company sells its products through distributors and sales representatives in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. Cabot Corporation was founded in 1882 and is headquartered in Boston, Massachusetts.

The Chemours Company provides performance chemicals in North America, the Asia Pacific, Europe, the Middle East, Africa, and Latin America. It operates through three segments: Titanium Technologies, Thermal & Specialized Solutions, and Advanced Performance Materials. The Titanium Technologies segment provides TiO2 pigment under the Ti-Pure brand for delivering whiteness, brightness, opacity, durability, efficiency, and protection in various of applications, such as architectural and industrial coatings, flexible and rigid plastic packaging, polyvinylchloride, laminate papers used for furniture and building materials, coated paper, and coated paperboard used for packaging. The Thermal & Specialized Solutions segment offers of refrigerants, thermal management solutions, propellants, foam blowing agents, and specialty solvents. The Advanced Performance Materials segment products portfolio includes various industrial resins, specialty products, membranes, and coatings for electronics, communications, transportation, wire and cable, energy, oil and gas, and medical, and other applications under the eflon, Viton, Krytox, and Nafion brands. The company sells its products through direct and indirect channels, as well as through a network of resellers and distributors. The Chemours Company was incorporated in 2014 and is headquartered in Wilmington, Delaware.

Tronox Holdings plc operates as a vertically integrated manufacturer of TiO2 pigment in North America, South and Central America, Europe, the Middle East, Africa, and the Asia Pacific. The company operates titanium-bearing mineral sand mines; and engages in beneficiation and smelting operations. It offers TiO2 pigment; ultrafine specialty TiO2; zircon; feedstock; pig iron; monazite; titanium tetrachloride; and other products. The company's products are used for the manufacture of paints, coatings, plastics, and paper, as well as various other applications. Tronox Holdings plc is based in Stamford, Connecticut.

Ferroglobe PLC produces and sells silicon metal, and silicon and manganese-based ferroalloys in the United States, Europe, and internationally. It provides silicone chemicals that are used in a range of applications, including personal care items, construction-related products, health care products, and electronics; and silicon metal for primary and secondary aluminum producers. The company also offers silicomanganese, which is used as deoxidizing agent in the steel manufacturing process; and ferromanganese that is used as a deoxidizing, desulphurizing, and degassing agent in the removal of nitrogen and other harmful elements from steel. In addition, it offers ferrosilicon products that are used to produce stainless steel, carbon steel, and various other steel alloys, as well as to manufacture electrodes and aluminum; calcium silicon, which is used in the deoxidation and desulfurization of liquid steel, and production of coatings for cast iron pipes, as well as in the welding process of powder metal and in pyrotechnics; and nodularizers and inoculants, which are used in the production of iron. Further, the company provides silica fume, a by-product of the electrometallurgical process of silicon metal and ferrosilicon. Additionally, it operates quartz mines in South Africa, Spain, the United States, and Canada; and low-ash metallurgical coal mines in the United States; and a charcoal production facility in South Africa, as well as holds interests in hydroelectric power plant in France. The company serves silicone chemical producers; aluminum and steel manufacturers; auto companies and their suppliers; ductile iron foundries; manufacturers of photovoltaic solar cells and computer chips; and concrete producers. Ferroglobe PLC was formerly known as VeloNewco Limited and changed its name to Ferroglobe PLC in December 2015. The company was incorporated in 2015 and is headquartered in London, the United Kingdom.

Valhi, Inc. engages in the chemicals, component products, and real estate management and development businesses in Europe, North America, the Asia Pacific, and internationally. The company's Chemicals segment produces and markets titanium dioxide pigments (TiO2), which are white inorganic pigments used in various applications by paint, plastics, decorative laminate, and paper manufacturers. It offers TiO2 under the KRONOS name through agents and distributors. The company's Component Products segment manufactures mechanical and electrical cabinet locks, and other locking mechanisms for use in ignition systems, mailboxes, file cabinets, desk drawers, tool storage cabinets, vending and cash containment machines, integrated inventory and access control secured narcotics boxes, medical cabinetry security, electronic circuit panels, storage compartments, and gas station security applications. It also provides stainless steel exhaust components, gauges, throttle controls, wake enhancement systems, trim tabs, and related hardware and accessories primarily for performance and ski/wakeboard boats. The company's Real Estate Management and Development segment offers utility services to industrial and municipal customers; owns real properties; and develops land holdings for commercial, industrial, and residential purposes. It also holds marketable securities and other investments. The company was incorporated in 1932 and is based in Dallas, Texas. Valhi, Inc. is a subsidiary of Dixie Rice Agricultural L.L.C.

NL Industries, Inc., through its subsidiary, CompX International Inc., operates in the component products industry in Europe, North America, the Asia Pacific, and internationally. The company manufactures and sells mechanical and electronic cabinet locks and other locking mechanisms, including disc tumbler locks; pin tumbler locking mechanisms under KeSet, System 64, TuBar, and Turbine brands; and electronic locks under CompX eLock and StealthLock brands for use in various applications, such as mailboxes, ignition systems, file cabinets, desk drawers, tool storage cabinets, high security medical cabinetry, integrated inventory and access control secured narcotics boxes, electronic circuit panels, storage compartments, gas station security, vending and cash containment machines. It also offers original equipment and aftermarket stainless steel exhaust headers, exhaust pipes, mufflers, and other exhaust components; gauges, such as GPS speedometers and tachometers; mechanical and electronic controls and throttles; wake enhancement devices, trim tabs, steering wheels, and other billet aluminum accessories; dash panels, LED indicators, wire harnesses, and other accessories; and grab handles, pin cleats, and other accessories; primarily for performance and ski/wakeboard and performance boats. In addition, the company produces and markets value-added titanium dioxide pigments, a base industrial product used in imparting whiteness, brightness, opacity, and durability to a diverse range of customer applications and end-use markets, including coatings, plastics, paper, inks, cosmetics, pharmaceuticals, and other industrial and consumer products. The company sells its component products directly to original equipment manufacturers, as well as through distributors. NL Industries, Inc. was founded in 1891 and is based in Dallas, Texas. NL Industries, Inc. operates as a subsidiary of Valhi, Inc.