Select Energy Services, Inc., an oilfield services company, provides water management and chemical solutions to the onshore oil and gas industry in the United States.

Westlake Corporation manufactures and supplies petrochemicals, polymers, and building products worldwide. It operates through two segments, Performance and Essential Materials; and Housing and Infrastructure Products.

Sensient Technologies Corporation, together with its subsidiaries, develops, manufactures, and markets colors, flavors, and other specialty ingredients in North America, Europe, the Asia Pacific, and internationally.

Axalta Coating Systems Ltd., through its subsidiaries, manufactures, markets, and distributes high-performance coatings systems in North America, Europe, the Middle East, Africa, the Asia Pacific, and Latin America.

Quaker Chemical Corporation develops, produces, and markets various formulated chemical specialty products for a range of heavy industrial and manufacturing applications.

RPM International Inc. manufactures, markets, and sells specialty chemicals for the industrial, specialty, and consumer markets worldwide. It offers waterproofing, coating, and institutional roofing systems; sealants, air barriers, tapes, and foams; residential home weatherization systems; roofing and building maintenance services; sealing and bonding, subfloor preparation, flooring, and glazing solutions; resin flooring systems, polyurethane, MMA waterproof, epoxy floor paint and coatings, concrete repair, and protection products; solutions for fire stopping and intumescent steel coating, and manufacturing industry; rolled asphalt roofing materials and chemical admixtures; concrete and masonry admixtures, concrete fibers, curing and sealing compounds, structural grouts and mortars, epoxy adhesives, injection resins, polyurethane foams, floor hardeners and toppings, joint fillers, industrial and architectural coatings, decorative color/stains/stamps, and restoration materials; insulated building cladding materials; and concrete form wall systems.

Ashland Inc. provides additives and specialty ingredients worldwide. It operates through Life Sciences; Personal Care & Household; Specialty Additives; and Intermediates and Solvents segments.

Minerals Technologies Inc. develops, produces, and markets various specialty mineral, mineral-based, and synthetic mineral products, and supporting systems and services. The company operates through three segments: Performance Materials, Specialty Minerals and Refractories.

DuPont de Nemours, Inc. provides technology-based materials and solutions in the United States, Canada, the Asia Pacific, Latin America, Europe, the Middle East, and Africa.

Eastman Chemical Company operates as a specialty materials company in the United States and internationally. The company's Additives & Functional Products segment offers hydrocarbon and rosin resins; organic acid-based solutions; amine derivative-based building blocks; metam-based soil fumigants, thiram and ziram based fungicides, and plant growth regulators; specialty coalescent, specialty and commodity solvents, paint additives, and specialty polymers; heat transfer and aviation fluids; insoluble sulfur and anti-degradant rubber additives; and performance resins.

Cabot Corporation operates as a specialty chemicals and performance materials company. It operates through three segments: Reinforcement Materials, Performance Chemicals, and Purification Solutions.

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.

H.B. Fuller Company, together with its subsidiaries, formulates, manufactures, and markets adhesives, sealants, coatings, polymers, tapes, encapsulants, additives, and other specialty chemical products worldwide.

Element Solutions Inc operates as a specialty chemicals company in the United States, China, and internationally. The company operates in two segments, Electronics, and Industrial & Specialty.

Balchem Corporation develops, manufactures, and markets specialty performance ingredients and products for the nutritional, food, pharmaceutical, animal health, medical device sterilization, plant nutrition, and industrial markets in the United States and internationally.

Avantor, Inc. provides products and services to customers in biopharma, healthcare, education and government, advanced technologies, and applied materials industries in the Americas, Europe, Asia, the Middle East, and Africa.

Orion Engineered Carbons S.A., together with its subsidiaries, manufactures and sells carbon black products in Germany, the United States, South Korea, Brazil, China, South Africa, the rest of Europe, and internationally.

Ecovyst Inc. provides specialty catalysts and services in the United States, the Netherlands, the United Kingdom, and internationally. The company operates through two segments, Ecoservices and Catalyst Technologies.