Thermo Fisher Scientific serves the United States diagnostic testing needs in hospitals, reference labs and physician offices. Founded in 1902, Thermo Fisher Scientific is a Fortune 500 company with revenues of $5.6 billion in 2005. From biochemicals, cell-culture media and proprietary RNAi technology to rapid-diagnostic tests, safety products and other consumable supplies, Thermo provides more than 600,000 products and services. The company serves pharmaceutical and biotech companies; colleges and universities; medical-research institutions; hospitals; reference, quality-control, process-control and research and development labs in various industries; as well as government agencies. Thermo Fisher Scientific is located in Houston.