NewMarket Corp. is a holding company, which engages in manufacturing and developing petroleum additives. The company is headquartered in Richmond, Virginia and currently employs 2,060 full-time employees. The Afton and Ethyl companies develop, manufacture, blend, and deliver chemical additives that enhance the performance of petroleum products. AMPAC is a manufacturer of specialty chemicals used in solid rocket motors for the aerospace and defense industries. The Company’s segments are petroleum additives and specialty materials. The petroleum additives segment includes lubricant and fuel additives, which are necessary for the efficient and reliable operation of vehicles and machinery. The specialty materials segment includes critical materials used in solid rocket motors for space launch and military defense applications. Ethyl provides contracted manufacturing and related services to Afton and to third parties and is a marketer of antiknock compounds in North America.