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Thermo Fisher Scientific sells scientific instruments and laboratory equipment, diagnostics consumables, and life science reagents. The firm operates through four segments as of mid-2024 (revenue figures include some cross-segment revenue): analytical technologies (17% of sales); specialty diagnostic products (11%); life science solutions (22%); and lab products and services, which includes CRO services (54%).
A merger between Astra of Sweden and Zeneca Group of the United Kingdom formed AstraZeneca in 1999. The firm sells branded drugs across a number of major therapeutic areas, including gastrointestinal, diabetes, cardiovascular, respiratory, cancer, immunology and rare diseases. The majority of sales come from international markets with the United States representing close to one third of its sales.