Valero Energy Corporation manufactures, markets, and sells petroleum-based and low-carbon liquid transportation fuels and petrochemical products in the United States, Canada, the United Kingdom, Ireland, Latin America, Mexico, Peru, and internationally. It operates through three segments: Refining, Renewable Diesel, and Ethanol. The company produces California Reformulated Gasoline Blendstock for Oxygenate Blending and Conventional Blendstock for Oxygenate Blending gasolines, CARB diesel, diesel, jet fuel, heating oil, and asphalt; feedstocks; aromatics; sulfur and residual fuel oil; intermediate oils; and sulfur, sweet, and sour crude oils. It sells its refined products through wholesale rack and bulk markets; and through outlets under the Valero, Beacon, Diamond Shamrock, Shamrock, Ultramar, and Texaco brands. The company owns and operates renewable diesel and ethanol plants, as well as produces renewable diesel and naphtha under the Diamond Green Diesel brand name. In addition, it offers ethanol and various co-products, including dry distiller grains, syrup, and inedible distillers corn oil to animal feed customers. The company was formerly known as Valero Refining and Marketing Company and changed its name to Valero Energy Corporation in August 1997. Valero Energy Corporation was founded in 1980 and is headquartered in San Antonio, Texas.

Westlake Corporation engages in the manufacture and marketing of performance and essential materials, and housing and infrastructure products in the United States, Canada, Germany, China, Mexico, Brazil, France, Italy, Taiwan, and internationally. The company operates through two segments: Performance and Essential Materials and Housing and Infrastructure Products. The Performance and Essential Materials segment offers ethylene, polyethylene, styrene, chlorinated derivative products, ethylene dichloride, vinyl chloride monomer, polyvinyl chloride (PVC), epoxy specialty resins, and base epoxy resins and intermediaries, as well as chlor-alkali, such as chlorine and caustic soda. The Housing and Infrastructure Products segment provides residential PVC sidings; PVC trim and mouldings; architectural stone veneers; windows; PVC decking; PVC films for various inflatables, wallcovering, and tape and roofing applications; polymer composite and cement roof tiles; PVC pipes and fittings for various water, sewer, electrical, and industrial applications; PVC compounds used in various housing, medical, and automobile products; and consumer and commercial products, such as landscape edging; industrial, home, and office matting; marine dock edging; and masonry joint controls. It offers its products to chemical processors, plastics fabricators, small construction contractors, municipalities, and supply warehouses for use in various consumer and industrial markets, including residential construction, flexible and rigid packaging, automotive products, healthcare products, water treatment, wind turbines, and coatings, as well as other durable and non-durable goods. The company was formerly known as Westlake Chemical Corporation and changed its name to Westlake Corporation in February 2022. Westlake Corporation was founded in 1986 and is headquartered in Houston, Texas. Westlake Corporation operates as a subsidiary of TTWF LP.

Valmont Industries, Inc. operates as manufacturer of products and services for infrastructure and agriculture markets in the United States, Australia, Brazil, and internationally. It operates through two segments, Infrastructure and Agriculture. The company manufactures and distributes steel, pre-stressed concrete, composite structures for electrical transmission, substation, and distribution applications; and designs, engineers, and manufactures metal, steel, wood, aluminum, and composite poles and structures for lighting and transportation applications. It also offers galvanizing, anodizing, painting, and powder coating services for paint products; towers, small cell structures, camouflage concealment solutions, passive intermodulation mitigation equipment, and components for wireless communication markets; and solar single-axis tracker product, an integrated system of steel structures, electric motors, and electronic controllers, as well as provides coatings services to preserve metal products. In addition, the company manufactures center pivot components and linear irrigation equipment for the agricultural markets, such as parts and tubular products for industrial customers; advanced technology solutions for agricultural sector; mechanical irrigation equipment and service parts under the Valley brand name. It serves municipalities and government entities, commercial lighting fixtures manufacturing companies, contractors, telecommunications and utility companies, and farmers, as well as the general manufacturing sector. Valmont Industries, Inc. was founded in 1946 and is headquartered in Omaha, Nebraska.

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.

Kronos Worldwide, Inc. produces and markets titanium dioxide pigments (TiO2) in Europe, North America, the Asia Pacific, and internationally. The company produces TiO2 in two crystalline forms, rutile and anatase to impart whiteness, brightness, opacity, and durability for various products, including paints, coatings, plastics, paper, fibers, and ceramics, as well as for various specialty products, such as inks, foods, and cosmetics. It also produces ilmenite, a raw material used directly as a feedstock by sulfate-process TiO2 plants; iron-based chemicals, which are used as treatment and conditioning agents for industrial effluents and municipal wastewater, as well as in the manufacture of iron pigments, cement, and agricultural products; specialty chemicals for use in the formulation of pearlescent pigments, and production of electroceramic capacitors for cell phones and other electronic devices, as well as for use in natural gas pipe, and other specialty applications. In addition, the company provides technical services for its products. It sells its products under the KRONOS brand through agents and distributors to paint, plastics, decorative laminate, and paper manufacturers. The company was founded in 1916 and is headquartered in Dallas, Texas. Kronos Worldwide, Inc. is a subsidiary of Valhi, Inc.

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.

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.

CompX International Inc. manufactures and sells security products and recreational marine components primarily in North America. It operates in two segments, Security Products and Marine Components. The Security Products segment manufactures mechanical and electrical cabinet locks, and other locking mechanisms used in various applications, including ignition systems, mailboxes, file cabinets, desk drawers, tool storage cabinets, high security medical cabinetry, integrated inventory and access control secured narcotics boxes, electrical circuit panels, storage compartments, gas station security, and vending and cash containment machines. This segment serves recreational transportation, postal, office and institutional furniture, cabinetry, tool storage, healthcare, and other industries. The Marine Components segment manufactures and distributes 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 systems, trim tabs, steering wheels, and billet aluminum accessories; dash panels, LED indicators, and wire harnesses; and grab handles, pin cleats, and related hardware and accessories primarily for ski/wakeboard and performance boats, as well as for the recreational marine and other industries. The company sells its products directly to original equipment manufacturers, as well as through distributors. The company was incorporated in 1993 and is based in Dallas, Texas. CompX International Inc. operates as a subsidiary of NL Industries, Inc.