NewMarket Corporation is a company that primarily serves the petroleum additives industry.The Company produces lubricant and fuel additives through two subsidiaries: Afton Chemical Corporation and Ethyl Corporation. Two additional subsidiaries, NewMarket Services Corporation and NewMarket Development Corporation, primarily provide operational support. Afton Chemical Corporation produces fuel additives that boost fuel performance and lubricant additives that improve the functionality, durability, and performance of oils. The Company also produces driveline additives and a variety of industrial additives, such as hydraulic lubricants and metalworking fluid components. Ethyl provides contract manufacturing services to Afton and to third parties and is a marketer of TEL in North America. NewMarket Services Corporation provides administrative services to NewMarket Corporation and its subsidiaries. New Market Development Corporation manages the property that NewMarket Corporation owns in Richmond, Virginia.