Innospec Inc. develops, manufactures, blends, markets, and supplies specialty chemicals worldwide. It operates through four segments: Fuel Specialties, Performance Chemicals, Oilfield Services, and Octane Additives. The Fuel Specialties segment offers a range of specialty chemical products used as additives in various fuels. Its products are used in the operation of automotive, marine, and aviation engines; power station generators; and heating oil. The Performance Chemicals segment provides technology-based solutions for its customers' processes or products focused in the personal care, home care, agrochemical, and metal extraction markets. The Oilfield Services segment develops and markets products to prevent loss of mud in drilling operations; chemical solutions for fracturing, stimulation, and completion operations; and products for oil and gas production, which enable flow assurance and asset integrity. The Octane Additives segment produces and sells tetra ethyl lead (TEL) for use