The Applied Biosystems Group plays an important role in the life science revolution by developing and marketing instrument-based systems, reagents, software, and contract services to the life science industry and research community. Customers use these tools to analyze nucleic acids (DNA and RNA) and proteins to make scientific discoveries, leading to the development of new pharmaceuticals, and to conduct standardized testing. Applied Biosystems is headquartered in Foster City, CA and reported sales of $1.6 billion for fiscal 2001.

Applied Biosystems is an operating group of Applera Corporation. Celera Genomics is a second operating group of Applera. Applera also includes Celera Diagnostics, a joint venture of Applied Biosystems and Celera Genomics. Holders of Applera Corporation-Applied Biosystems and Applera Corporation-Celera Genomics stock are stockholders of Applera Corporation.