ADES vs WLK

Advanced Emissions Solutions Inc.

Advanced Emissions Solutions, Inc., together with its subsidiaries, provides environmental technologies and specialty chemicals in the United States. It operates through two segments, Refined Coal and Advanced Purification Technologies. The company offers CyClean technology, a pre-combustion coal treatment process to enhance combustion, as well as to reduce emissions of nitrogen oxide and mercury from coals burned in cyclone boilers; and M-45 and M-45-PC technologies, which are pre-combustion coal treatment technologies used to control emissions from circulating fluidized bed boilers and pulverized coal boilers. It also provides mercury and other air contaminants controls; and activated carbon products, such as powdered activated carbon and granular activated carbon, as well as owns an associated lignite mine that supplies the raw material for the powdered activated carbon plant. The company's products are used in removal of heavy metal pollutants; treatment of drinking and waste waters; industrial acid gas and odor removal; automotive gasoline emission control; soil and ground water remediation; and food and beverage process and product purifications. It serves customers in the coal-fired power generation and industrial boiler processes. The company was founded in 1996 and is headquartered in Greenwood Village, Colorado.

Westlake Corporation

Westlake Chemical Corporation, together with its subsidiaries, manufactures and markets basic chemicals, vinyls, polymers, and building products worldwide. It operates through two segments, Vinyls and Olefins. The Vinyls segment provides specialty and commodity polyvinyl chloride (PVC), vinyl chloride monomers, ethylene dichloride, chlorine, caustic soda, chlorinated derivative, and ethylene products. This segment also manufactures and sells PVC compounds and building products fabricated from PVC, including residential siding, trim and molding, pipe and fittings for various water, sewer and industrial applications, profiles for windows and doors, decking products, films for various inflatables, wall covering tapes, roofing applications, and composite roof tiles. The Olefins segment offers polyethylene, styrene monomers, and various ethylene co-products, as well as sells propylene, crude butadiene, pyrolysis gasoline, and hydrogen products. Westlake Chemical Corporation offers its products to a range of customers, including chemical processors, plastics fabricators, small construction contractors, municipalities, and supply warehouses in various consumer and industrial markets, such as flexible and rigid packaging, automotive products, coatings, water treatment, refrigerants, and residential and commercial construction, as well as other durable and non-durable goods. The company was founded in 1986 and is headquartered in Houston, Texas. Westlake Chemical Corporation is a subsidiary of TTWF LP.