Thermo Fisher Scientific Inc. is an American life science and clinical research company. It is a global supplier of analytical instruments, clinical development solutions, specialty diagnostics, laboratory, pharmaceutical and biotechnology services. Based in Waltham, Massachusetts, Thermo Fisher was formed through the merger of Thermo Electron and Fisher Scientific in 2006. Thermo Fisher Scientific has acquired other reagent, consumable, instrumentation, and service providers, including Life Technologies Corporation, Alfa Aesar, Affymetrix, FEI Company, BD Advanced Bioprocessing, and PPD. As of 2023, the company had a market capitalization of $202 billion. It ranked 97th on the Fortune 500 list based on its 2022 annual revenue of US$44.92 billion. Wikipedia