San Diego is a major technology and defense hub of California and the United States. Major industries include defense, telecommunications, biotechnology, computers and scientific research. With five major military bases located within fifty miles of San Diego, defense related services and support are a key part of San Diego's prosperity.

Major employers located in San Diego are:

Defense:
 • Department of the Navy
 • General Atomics
 • Raytheon
 • National Steel and Shipbuilding (NASSCO)
 • Dynacorp
 • Lockheed Martin

Telecommunications and Technology:
 • Qualcomm
 • Sony
 • Samsung
 • Nokia
 • Hewlett Packard
 • Time Warner

Biotechnology:
 • StressGen Biotechnology Corp.
 • TriLink BioTechnologies, Inc.
 • Aurora Biosciences Corp.

Restaurant:
 • Jack in the Box, Inc.