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Advanced Emissions Solutions, Inc. provides solutions for the coal-fired power generation, industrial, water treatment plants, and other markets. The company was incorporated in 2011 and is headquartered in Greenwood Village, Colorado.

Flexible Solutions International, Inc., together with its subsidiaries, develops, manufactures, and markets specialty chemicals that slow the evaporation of water in Canada, the United States, and internationally. The company operates in two segments, Energy and Water Conservation Products, and Biodegradable Polymers. The company offers thermal polyaspartates (TPAs) for oilfields to reduce scale and corrosion in various water systems; and for the agricultural industry to reduce fertilizer crystallization before, during, and after application, as well as to prevent crystal formation between fertilizer and minerals present in the soil. It also provides TPAs for irrigation to prevent early plugging of drip irrigation ports, reduce maintenance costs, and lengthen the life of equipment; TPAs for cleaning products to prevents the re-deposition of dirt onto the surfaces; and TPAs as additives for household laundry detergents, consumer care products, and pesticides. In addition, the company offers nitrogen conservation products for agriculture that slow down nitrogen loss from fields. Further, it provides HEATSAVR, a chemical product for use in swimming pools and spas that forms a thin and transparent layer on the water's surface; and WATERSAVR to reduce water evaporation in reservoirs, potable water storage tanks, livestock watering ponds, aqueducts, canals, and irrigation ditches, as well as for lawn and turf care, and potted and bedding plants. Flexible Solutions International, Inc. was incorporated in 1991 and is headquartered in Taber, Canada.

Flotek Industries, Inc. operates as a technology-driven green chemistry and data company that serves customers across industrial and commercial markets in the United States, the United Arab Emirates, and internationally. It operates through two segments: Chemistry Technologies (CT) and Data Analytics (DA). The CT segment designs, develops, manufactures, packages, distributes, delivers, and markets green specialty chemicals that enhance the profitability of hydrocarbon producers, as well as green specialty chemistries, and logistics and technology services. This segment primarily serves integrated oil and gas, oilfield services, independent oil and gas, national and state-owned oil, geothermal energy, solar energy, and alternative energy companies. The DA segment designs, develops, produces, sells, and supports equipment and services that create and provide valuable information on the composition and properties of energy customers' hydrocarbon fluids. It sells its products directly through a mix of in-house sales professionals, as well as contractual agency agreements. Flotek Industries, Inc. was incorporated in 1985 and is headquartered in Houston, Texas.

Orion S.A., together with its subsidiaries, engages in the manufacture and sale of carbon black products. It operates in two segments, Specialty Carbon Black and Rubber Carbon Black. The company offers post-treated specialty carbon black grades for coatings and printing applications; high purity carbon black grades for the fiber industry; and conductive carbon black grades for batteries, polymers, and coatings. It also provides rubber carbon black products for applications in mechanical rubber goods, as well as in tires under the ECORAX brand name. It operates in the United States, Brazil, rest of the Americas, Germany, South Africa, Italy, Spain, Turkey, France, Rest of EMEA, China, the Republic of Korea, and rest of Asia. The company was formerly known as Orion Engineered Carbons S.A. and changed its name to Orion S.A. in June 2023. Orion S.A. was founded in 1862 and is headquartered in Senningerberg, Luxembourg.

PURE Bioscience, Inc. develops and commercializes antimicrobial products that provide solutions to the health and environmental challenges of pathogen and hygienic control in the United States and internationally. The company manufactures and distributes silver dihydrogen citrate (SDC), a non-toxic antimicrobial agent, which offers residual protection, as well as formulates with other compounds. It offers SDC-based disinfecting and sanitizing products, including PURE Hard Surface, a food contact surface sanitizer and disinfectant; PURE Control, a food contact processing aid for fresh produce and raw poultry; PURE Multi-Purpose and Floor Cleaner Concentrate to clean various resilient surfaces, including floors, glass, and food contact surfaces; and PURE Multi-Purpose Hi-Foam Cleaner Concentrate to clean stainless steel equipment, resilient floors, walls, and painted surfaces. The company also provides Axen30, a hard surface disinfectant; Axenohl, an antimicrobial formulation for use as a raw material ingredient in the manufacturing of consumer and commercial disinfecting and sanitizing products; and SILVÉRION, an antimicrobial formulation that is used against bacteria, viruses, yeasts, and molds. PURE Bioscience, Inc. was incorporated in 1992 and is headquartered in Rancho Cucamonga, California.