There are many medical sales jobs available in California, as it is home to many medical device and pharmaceutical companies. Some of the top cities for medical sales jobs in California include:

1. San Francisco
2. Los Angeles
3. San Diego
4. Sacramento
5. Irvine

Some of the top medical device and pharmaceutical companies in California that often have job openings in sales include:

1. Johnson & Johnson
2. Medtronic
3. Abbott Laboratories
4. Gilead Sciences
5. Amgen
6. Genentech
7. Edwards Lifesciences
8. Thermo Fisher Scientific
9. Novartis
10. Bristol-Myers Squibb

You can also search for medical sales jobs on online job boards such as Indeed, Monster, Glassdoor, LinkedIn, and CareerBuilder. Additionally, you can check the websites of individual companies to see if they have any job openings in sales.