Arq, Inc. is a holding company. It engages in the provision of environmental and emission control equipment to the power generation industry. The company operates through the following Segments: Refined Coal and Advanced Purification Technologies. The Refined Coal segment includes the Tinuum Group, Tinuum Services, and GWN Manager. The Advanced Purification Technologies segment refers to the sale of Activated Carbon Injection and Dry Sorbent Injection equipment systems, chemical sales, consulting services, and other sales related to the reduction of emissions in the coal-fired electric generation process and the electric utility industry. The company was founded in 1996 and is headquartered in Greenwood Village, CO.

Element Solutions, Inc. is a specialty chemicals company. It operates through the Electronics, and Industrial and Specialty segments. The Electronics segment focuses on researching, formulating, and sale of specialty chemicals and material process technologies for all types of electronics hardware, from printed circuit board designs to semiconductor packaging. The Industrial and Specialty segment is involved in the researching, formulating, and sale of specialty chemicals and material process technologies that enhance surfaces and improve industrial processes in diverse industrial sectors from automotive trim to transcontinental infrastructure and from high-speed printing to high-design faucets. The company was founded by Martin Ellis Franklin on April 23, 2013 and is headquartered in Fort Lauderdale, FL.

Orion SA engages in the production and supply of carbon black. It operates through the Specialty Carbon Black and Rubber Carbon Black segments. The Specialty Carbon Black segment manufactures specialty carbon black at multiple sites for a broad range of specialized applications. The Rubber Carbon Black segment is used in the reinforcement of rubber in tires and mechanical rubber goods. Specialties are used as pigments and performance additives in coatings, polymers, printing and special applications. The company was founded on April 13, 2011 and is headquartered in Senningerberg, Luxembourg.

Cabot Corp. is a global specialty chemicals and performance materials company. The firm's products include reinforcing and specialty carbons, specialty compounds, conductive additives, carbon nanotubes, fumed metal oxides, inkjet colorants, and aerogel. It operates through the following segments: Reinforcement Materials and Performance Chemicals. The Reinforcement Materials segment involves the rubber blacks and elastomer composites product lines. The Performance Chemicals segment combines the specialty carbons and compounds and inkjet colorants product lines into the specialty carbons and formulations business. The company was founded by Godfrey Lowell Cabot in 1882 and is headquartered in Boston, MA.