NewMarket Corporation (NEU) Stock Analysis & Winston Score

NewMarket Corporation is a specialty chemicals company based in Richmond, Virginia. It makes additives that go into lubricants — the oils used to keep engines, gears, and industrial machines running smoothly. Its main business, Afton Chemical, sells these petroleum additives to oil companies and lubricant blenders around the world, who then sell finished products to automakers, truckers, and industrial customers. NewMarket earns revenue by selling its additive products directly to lubricant manufacturers, rather than to consumers. It operates globally, with customers across North America, Europe, and Asia, and generates roughly $2.5 billion in annual revenue. The company's moat comes from deep technical relationships with customers — switching additives requires extensive testing and re-certification, which makes customers sticky. The key risk is that long-term declines in internal combustion engine vehicles could shrink demand for engine oil additives, though industrial and commercial lubricant markets provide some buffer against that shift.