Ecolab Inc. provides water, hygiene, and infection prevention solutions and services in the United States and internationally. The company operates through three segments: Global Industrial; Global Institutional & Specialty; and Global Healthcare & Life Sciences. The Global Industrial segment offers water treatment and process applications, and cleaning and sanitizing solutions to manufacturing, food and beverage processing, transportation, chemical, metals and mining, power generation, pulp and paper, commercial laundry, petroleum, refining, and petrochemical industries. Its Global Institutional & Specialty segment provides specialized cleaning and sanitizing products to the foodservice, hospitality, lodging, government and education, and retail industries. The Global Healthcare & Life Sciences segment offers specialized cleaning and sanitizing products to the healthcare, personal care, and pharmaceutical industries, such as infection prevention and surgical solutions, and end-to-end cleaning and contamination control solutions under the Ecolab, Microtek, and Anios brand names. In addition, the company provides pest elimination services to detect, eliminate, and prevent pests, such as rodents and insects in restaurants, food and beverage processors, hotels, grocery operations, and other commercial segments including education, life sciences, and healthcare customers. Further, it offers colloidal silica for binding and polishing applications in semiconductor, catalyst, and aerospace component manufacturing, as well as chemical industries; and products and services that manage wash process through custom designed programs, premium products, dispensing equipment, water and energy management, and reduction, as well as real time data management. It sells its products through field sales and corporate account personnel, distributors, and dealers. Ecolab Inc. was founded in 1923 and is headquartered in Saint Paul, Minnesota.

Ecopetrol S.A. operates as an integrated energy company. The company operates through four segments: Exploration and Production; Transport and Logistics; Refining, Petrochemical and Biofuels; and Electric Power Transmission and Toll Roads Concessions. It engages in the exploration and production of oil and gas; transportation of crude oil, motor fuels, fuel oil, and other refined products, including diesel, jet, and biofuels; processing and refining crude oil; distribution of natural gas and LPG; sale of refined and petrochemical products; supplying of electric power transmission services; design, development, construction, operation, and maintenance of road and energy infrastructure projects; and supplying of information technology and telecommunications services. As of December 31, 2022, the company had approximately 9,127 kilometers of crude oil and multi-purpose pipelines. It also produces and commercializes polypropylene resins and compounds, and masterbatches; and offers industrial service sales to customers and specialized management services. It has operations in Colombia, the United States, Asia, Central America and the Caribbean, Europe, and South America. The company was formerly known as Empresa Colombiana de Petróleos and changed its name to Ecopetrol S.A. in June 2003. Ecopetrol S.A. was incorporated in 1948 and is headquartered in Bogotá, Colombia.

Eastman Chemical Company operates as a specialty materials company in the United States, China, and internationally. The company's Additives & Functional Products segment offers amine derivative-based building blocks, intermediates for surfactants, metam-based soil fumigants, and organic acid-based solutions; specialty coalescent and solvents, paint additives, and specialty polymers; and heat transfer and aviation fluids. It serves transportation, personal care, wellness, food, feed, agriculture, building and construction, water treatment, energy, consumables, durables, and electronics markets. Its Advanced Materials segment provides copolyesters, cellulosic biopolymers, cellulose esters, polyvinyl butyral sheets, and window and protective films for value-added end uses in the transportation, durables, electronics, building and construction, medical and pharma, and consumables markets. The company's Chemical Intermediates segment offers olefin and acetyl derivatives, ethylene, and commodity solvents; and primary non-phthalate and phthalate plasticizers, and niche non-phthalate plasticizers for industrial chemicals and processing, building and construction, health and wellness, and food and feed. Its Fibers segment provides cellulose acetate tow, triacetin, cellulose acetate flake, acetic acid, and acetic anhydride for use in filtration media primarily cigarette filters; natural and solution dyed acetate yarns, and staple fiber for use in consumables, and health and wellness markets; and wet-laid nonwoven media, specialty and engineered papers, and cellulose acetate fibers for transportation, industrial, agriculture and mining, and aerospace markets. The company was founded in 1920 and is headquartered in Kingsport, Tennessee.

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. The Electronics segment researches, formulates, and sells specialty chemicals and materials for various types of electronics hardware products. This segment also supplies surface mount technologies, fluxes, thermal management material, coatings, and other attachment materials; chemical formulations to the electronics industry; and advanced copper interconnects, die attachment, sintered silver material, adhesives, wafer bump processes, and photomask technologies for semiconductor industry. It primarily serves mobile communications, computers, automobiles, and aerospace equipment industries. The Industrial & Specialty segment provides industrial solutions, which include chemical systems that protect and decorate metal and plastic surfaces; consumable chemicals that enable printing image transfer on flexible packaging materials; and chemistries used in water-based hydraulic control fluids for offshore energy production applications. It serves aerospace, automotive, construction, consumer electronics, consumer packaged goods, and oil and gas production end markets. The company was formerly known as Platform Specialty Products Corporation and changed its name to Element Solutions Inc in January 2019. Element Solutions Inc was founded in 1785 and is headquartered in Fort Lauderdale, Florida.

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. The company's Fuel Specialties segment offers a range of specialty chemical products that are used as additives in additives in diesel, jet, marine, fuel oil and other fuels. This segment's products are used in the operation of commercial trucking, marine and aviation engines, power station generators, heating oil, and other industrial machinery applications. Its Performance Chemicals segment provides technology-based solutions for its customers' processes or products that focuses on the personal care, home care, agrochemical, construction, mining, and other industrial markets. The company's Oilfield Services segment develops and markets chemical solutions for drilling, completion, fracturing, stimulation, and completion operations; and products for oil and gas production. It sells its products primarily to oil and gas exploration and production companies, oil refineries, fuel manufacturers and users, personal care and home care companies, formulators of agrochemical, and other chemical and industrial companies. The company was formerly known as Octel Corp. and changed its name to Innospec Inc. in January 2006. Innospec Inc. was founded in 1938 and is headquartered in Englewood, Colorado.

Quaker Chemical Corporation, doing business as Quaker Houghton, provides industrial process fluids for steel, aluminum, automotive, aerospace, offshore, can, mining, and metalworking companies worldwide. The company, together with its subsidiaries, develops, produces, and markets various formulated specialty chemical products and offers chemical management services for various heavy industrial and manufacturing applications. It offers metal removal fluids, cleaning fluids, corrosion inhibitors, metal drawing and forming fluids, die cast mold releases, heat treatment and quenchants, metal forging fluids, hydraulic fluids, specialty greases, offshore sub-sea energy control fluids, rolling lubricants, rod and wire drawing fluids, and surface treatment chemicals. The company was founded in 1918 and is headquartered in Conshohocken, Pennsylvania.

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.

Enviri Corporation provides environmental solutions for industrial and specialty waste streams in the United States and internationally. The company operates through two segments: Harsco Environmental and Clean Earth. The Harsco Environmental segment offers on-site services under long-term contracts for material logistics, product quality improvement, and resource recovery for iron, steel, and metals manufacturing; manufactures and sells industrial abrasives, roofing granules, aluminum dross, and scrap processing systems; and meltshop and furnace services, such as under-vessel cleaning, removal of ladle slag, and general melt shop debris. This segment also produces and sells value-added downstream products from industrial waste-stream, including road surfacing and materials, such as slag-based asphalt product under the SteelPhal brand; abrasives and roofing materials under the BLACK BEAUTY and SURE/CUT brand names; Metallurgical Additives; agriculture and turf products comprising soil conditioners and fertilizers under the CrossOver and AgrowSil brands; and cement additives. The Clean Earth segment provides specialty waste processing, treatment, recycling, and beneficial reuse solutions for waste needs, such as hazardous, non-hazardous, and contaminated soils and dredged materials to industrial, retail, healthcare, and construction industries. The company was formerly known as Harsco Corporation and changed its name to Enviri Corporation in June 2023. The company was founded in 1853 and is headquartered in Philadelphia, Pennsylvania.