California Top Companies List by Market Cap as of August 2026

Acadia Pharmaceuticals is a Healthcare and Pharmaceutical company. The company is of food and drug administration for the treatment of hallucinations and delusions associated with Parkinson’s disease psychosis. Around 8 million people in the United States are living with dementia and studies suggest that approximately 30% of people with dementia, 2.4 million people, experience dementia-related hallucinations and delusion. The headquarters is in USA.

1Life Healthcare is a Administrative and Managerial Services company for the affiliated One Medical is a membership based primary care service with in person care and online resources including a mobile app. The company annual revenue is 78.8 Million USD. The headquarters is in USA.

Fastly is a Cloud Platform delivers faster, safer and more scalable sites and apps to customers service company. The company products are edge cloud platform, compute edge, CDN, image optimization, video and streaming, cloud security and load balancing. The headquarters is in USA.

California Resources Corporation is an Oil and Natural Gas Exploration and Production company committed to environmentally sustainable and responsible development of properties exclusively in the State of California. The headquarters is in USA.

ICU Medical is a Healthcare company. The company products are infusion therapy, oncology and critical care. It services that provide meaningful clinical differentiation, consistent innovation and superior value. The headquarters is in USA.

Box is a Cloud Data Storage company. The services are provide to the company which are working in the sector of financial services, government, nonprofit, education, professional services, life sciences, healthcare, retail, media and entertainment and construction. The headquarters is in USA.

Envista Holdings is a Dental Platform company. It is a global family of three operating companies and more than 30 trusted dental brands and united by a shared purpose to partner with professionals to improve lives. The company partners deliver the best possible patient care through industry leading products, solutions and technology. The headquarters is in USA.

Robert Half International is a Technology and IT, Creative and Marketing company. It develops relationships with the best professional trade associations and from awards and scholarship contributions to participation in local association chapters. It work to support the professional development of eager professionals and provide job opportunities for members of professional associations. The headquarters is in USA.

DOXIMITY, INC. is the largest community of healthcare professionals in the country - with over 80% of U.S. doctors and 50% of all NPs and physician assistants as verified members. The headquarters is in USA.