Roger Marston

American Chemistry Council, Inc. operates as a trade association providing research services and promotes business interests. It represents companies engaged in the business of chemistry. The company was founded in 1971 and is headquartered in Washington, DC.

PQ Corp. produces silicate, zeolite, and other performance materials. It serves the detergent, pulp and paper, chemical, petroleum, catalyst, water treatment, construction and beverage markets. The firm's products include lithium silicates, magnesium sulfate, sodium silicate liquids and solids. It also manufactures silica gel products for catalyst and anti-blocking applications and the zeolite products for adsorbent applications. The company was founded by Joseph Elkinton in 1831 and is headquartered in Malvern, PA.

Milacron LLC manufactures plastic and foam processing equipment. It operates across the following businesses: Milacron Plastics Machinery, Mold-Masters Hot Runner and Process Control Systems, DME Mold Technologies, Milacron Aftermarket Parts & Services, and CIMCOOL Fluid Technologies. The firm works on the areas of plastics-processing technologies, metalworking fluids, and precision machining. The company is headquartered in Cincinnati, OH.

Part of Atlas Copco AB, Edwards Holdings Ltd. is a leading developer and manufacturer of vacuum products, abatement solutions, and related value-added services. The company is based in Crawley, UK. Edwards provides an integrated approach to vacuum and exhaust management needs, offering productivity, safety, and environmental reassurance to its customers. Its products are used in various industrial processes, including semiconductors, flat panel displays, LEDs, solar cells, power, glass, metallurgy, pharmaceutical, chemical, scientific instruments, and R&D applications. Edwards has been constantly innovating its vacuum pump technology and systems capability for over 90 years, pushing the boundaries of science to deliver innovative products and set new standards in the industry.

Edwards Ltd. manufactures vacuum pumps and related systems. The firm supplies integrated solutions for the manufacture of semiconductors, flat panel displays, LEDs and solar cells. The company was founded in 1919 and is headquartered Crawley, the United Kingdom.

Pontem Corp. II operates as a blank check company. It engages in effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses. The company was founded in 2021 and is headquartered in New York, NY.