Intertek Oil Chemical & Agri (Caleb Brett) provides a range of laboratory and inspection-related services. It serves the petroleum, chemical, mineral, polymer, agriculture, food, pharmaceutical and electronics industries. The company s facilities are ISO 9000 certified and ISO 17025 accredited. Intertek Oil Chemical & Agri (Caleb Brett) operates a network of offices and laboratories. It offers laboratory outsourcing services for the nanotechnology and biotechnology markets. The company also provides inspection services for the physical sampling, testing, quantification and certification of commodities, such as petroleum, vegetable oil, petrochemicals and other products. Intertek Oil Chemical & Agri (Caleb Brett) is a division of Intertek, which is one of the leading providers of laboratory testing, research, inspection and consulting services for various industries, markets and institutions worldwide. It offers agricultural inspection, chemical analysis, engineering support, clinical and preclinical research, and corrosion, engine and emission testing services. Intertek also provides thermal analysis, lead detection, and gelatin, microbiology, petroleum and quality control testing services.