Octel Corp. is a manufacturer and distributor of fuel additives and other specialty chemicals. Its primary manufacturing operation is located at Ellesmere Port, South Wirral, United Kingdom. The Company's products are sold globally, primarily to oil refineries. Principal product lines are lead alkyl antiknock compound (TEL), other petroleum additives and performance chemicals. The Company has three businesses: TEL, Petroleum Specialties and Performance Chemicals. Petroleum Specialties and Performance Chemicals together make up the Specialty Chemicals business segment.