Robyn Hooker McCall

Birla Carbon U.S.A., Inc. manufactures carbon black additives for rubber, plastic, and liquid products. It offers rubber carbon black products for use in tires and mechanical rubber goods; and carbon specialty black products. The company was founded on 1922 and is headquartered in Marietta, GA.

GCP Applied Technologies, Inc. engages in the provision of construction products and technologies that include admixtures and additives. It operates through the Specialty Construction Chemicals, and Specialty Building Materials segments. The Specialty Construction Chemicals segment manufactures and markets concrete admixtures and cement additives, and supplies in-transit monitoring systems for concrete producers. The Specialty Building Materials segment offers sheet and liquid membrane systems and other products that protect both new and existing structures from water, air, and vapor penetration, as well as from fire damage. The company was founded on May 1, 2015 and is headquartered in Alpharetta, GA.