Fisher Scientific, formally Fisher Scientific International, Inc. and colloquially Fisher, provides products and services to the global scientific research and United States clinical laboratory markets.

Its customers include pharmaceutical and biotechnology companies, colleges, universities, and secondary education institutions, medical research institutions, hospitals and reference labs and quality control, process control and research and development laboratories. The Company offers more than 600,000 products and services to over 350,000 customers located in approximately 150 countries. No single customer represented more than 3% of its total sales in the year ended December 31, 2004.

In August 2004, the company merged with Apogent Technologies Inc., a company engaged primarily in the manufacture and sale of laboratory products in the United States and other countries.

In May 2006, Fisher Scientific and Thermo Electron announced that they would merge in a tax-free, stock-for-stock exchange; the merged company will be named Thermo Fisher Scientific.