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OLN: engages in the manufacture and sale of chlor alkali products in the United States and internationally. The company operates in two segments, Chlor Alkali Products and Winchester. The Chlor Alkali Products segment manufactures and sells chlorine and caustic soda, sodium hydrosulfite, hydrochloric acid, hydrogen, bleach products, and potassium hydroxide. The Winchester segment offers sporting ammunition, reloading components, small caliber military ammunition and components, and industrial cartridges. The company serves various industrial customers, wholesalers, and other distributors, as well as the U.S. Government and its prime contractors. Olin Corporation was founded in 1892 and is based in Clayton, Missouri.
 

ACET: together with its subsidiaries, engages in sourcing, quality assurance, regulatory support, marketing, and distributing chemically derived pharmaceuticals, biopharmaceuticals, specialty chemicals, and crop protection products. It operates in three segments: Health Sciences, Chemicals and Colorants, and Crop Protection. The Health Sciences segment offers active ingredients for generic pharmaceuticals, vitamins, and nutritional supplements, as well as products used in preparing pharmaceuticals primarily by drug companies and biopharmaceuticals. The Chemicals and Colorants segment offers specialty chemicals used in plastics, resins, adhesives, coatings, food, flavor additives, fragrances, cosmetics, metal finishing, electronics, and air-conditioning systems. Products include dye and pigment intermediates, which are used in the color-producing industries, such as textiles, inks, paper, and coatings; and organic intermediates used in the production of agrochemicals. The Crop Protection segment provides herbicides, fungicides, and insecticides that control weed growth, as well as control the spread of insects and other micro organisms that damage plant growth. This segment also offers a sprout inhibitor for potatoes and an herbicide for sugar cane. Aceto Corporation serves a range of companies in the pharmaceutical, agricultural, color, surface coating/ink, general chemical consuming, and health science industries in the United States, Europe, and the Asia-Pacific. The company was founded in 1947 and is headquartered in Lake Success, New York.
 

APD: provides atmospheric gases, process and specialty gases, performance materials, equipment, and services worldwide. The company's Merchant Gases segment sells atmospheric gases, such as oxygen, nitrogen, and argon; process gases, including hydrogen and helium; and medical and specialty gases for the metal, glass, chemical processing, food processing, healthcare, steel, general manufacturing, and petroleum and natural gas industries. This segment also offers respiratory therapies, home medical equipment, and infusion services primarily in Europe. Its Tonnage Gases segment provides hydrogen, carbon monoxide, nitrogen, oxygen, and syngas to the energy production and refining, chemical, and metallurgical industries; and produces dinitrotoluene used in the manufacture of a precursor of polyurethane foam. The company's Electronics and Performance Materials segment offers nitrogen trifluoride, silane, arsine, phosphine, white ammonia, silicon tetrafluoride, carbon tetrafluoride, hexafluoromethane, critical etch gases, and tungsten hexafluoride; and tonnage gases, specialty chemicals, and services and equipment for the manufacture of silicon and compound semiconductors, thin film transistor liquid crystal displays, and photovoltaic devices. This segment also provides performance materials for a range of products, including coatings, inks, adhesives, civil engineering, personal care, institutional and industrial cleaning, mining, oil refining, and polyurethanes. Its Equipment and Energy segment designs and manufactures cryogenic equipment for air separation, hydrocarbon recovery and purification, natural gas liquefaction, and helium distribution; and offers plant design, engineering, procurement, and construction management services for the chemical and petrochemical manufacturing, oil and gas recovery and processing, and steel and primary metals processing industries. The company was founded in 1940 and is based in Allentown, Pennsylvania.