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

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.

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.

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.

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.

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.

Perimeter Solutions, SA manufactures and supplies firefighting products and lubricant additives in the United States, Germany, and internationally. It operates in two segments, Fire Safety and Oil Additives.

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.

Innospec Inc. develops, manufactures, blends, markets, and supplies specialty chemicals in the United States, rest of North America, the United Kingdom, rest of Europe, and internationally.

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.

Ingevity Corporation manufactures and sells specialty chemicals and activated carbon materials in North America, the Asia Pacific, Europe, the Middle East, Africa, and South America.

Hawkins, Inc. blends, manufactures, and distributes chemicals and other specialty ingredients in the United States and internationally. It operates through three segments: Industrial, Water Treatment, and Health and Nutrition.