* Biotechnology: San Diego is also a major center for biotechnology research and development. Companies such as Illumina, Invitrogen, and QIAGEN are all located in the area. These companies develop and produce products such as DNA sequencing machines, antibodies, and gene therapy treatments.
* Computer software: San Diego is home to a number of computer software companies, including Qualcomm, Intuit, and Symantec. These companies develop and produce software products such as mobile phone chips, financial management software, and security software.
* Medical devices: San Diego is also a major center for medical device research and development. Companies such as Medtronic, Stryker, and Zimmer Biomet are all located in the area. These companies develop and produce products such as pacemakers, artificial joints, and surgical robots.
* Tourism: San Diego is a popular tourist destination, and the tourism industry is a major part of the local economy. Hotels, restaurants, and attractions such as the San Diego Zoo and SeaWorld all contribute to the local economy.
