| New York Stock Exchange: NEU
NewMarket Corp. operates as a holding company of Afton Chemical Corp., Ethyl Corp., NewMarket Services Corp. and NewMarket Development Corp. Afton Chemical Corp. encompasses the petroleum additives business, while Ethyl Corp. represents the sale and distribution of tetraethyl lead in North America and certain petroleum additives manufacturing operations. NewMarket Development Corp. manages the property that it owns in Richmond, Virginia. NewMarket Services Corp. provides various administrative services group companies. The company was founded on February 11, 1887 and is headquartered in Richmond, VA.