California's healthcare industry is a robust and dynamic sector, comprised of various companies offering a wide array of services and products. These include the development of advanced biotech and pharmaceuticals, spearheading ground-breaking medical research, and providing unparalleled patient care methods. This highly competitive landscape harbors companies like Amgen and Gilead Sciences, who are focused on fulfilling unmet medical needs in critical areas such as liver diseases and HIV/AIDS. The rapid pace at which these companies continually innovate signals a positive future for the industry, potentially leading to novel solutions for complex health issues.


Top 22 healthcare companies in California

1. Amgen

  • Website: amgen.com
  • Headquarters: Thousand Oaks, California, United States
  • Founded: 1980
  • Headcount: 10001+
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Amgen is a biotech company that pioneers the use of living cells to develop and manufacture biologic medicines. They lead and guide the biotech industry, focusing on treating serious illnesses and diseases with limited treatment options.


2. Gilead Sciences

  • Website: gilead.com
  • Headquarters: Foster City, California, United States
  • Founded: 1987
  • Headcount: 10001+
  • Latest funding type: Ipo
  • LinkedIn

Gilead is a global biopharmaceutical company focused on improving human health. They are committed to developing innovative therapies to address unmet medical needs in the areas of HIV/AIDS, liver diseases, and more. With a mission to advance global health, Gilead strives to provide medication access and make a positive impact on communities worldwide.


3. Neurocrine Biosciences

  • Website: neurocrine.com
  • Headquarters: San Diego, California, United States
  • Founded: 1992
  • Headcount: 1001-5000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Neurocrine Biosciences, Inc. is a pharmaceutical company focused on the discovery and development of innovative therapies for neurological and endocrine disorders. With a strong pipeline of investigational therapies and a track record of approved medicines, the company is dedicated to improving the lives of patients. Neurocrine offers a range of clinical studies and collaborates with key partners in the healthcare industry.


4. BPC Plasma, Inc.

  • Website: grifolsplasma.com
  • Headquarters: Los Angeles, California, United States
  • Founded: 1986
  • Headcount: 1001-5000
  • Latest funding type: Private Equity
  • LinkedIn

Grifols is a leading producer of plasma-derived medicines, offering innovative solutions to save and improve lives. With a small-company feel and familial culture, Grifols provides competitive benefits, including full medical benefits, retirement plan options, and paid time off. Their plasma donation centers ensure a steady supply of plasma for the production of life-saving medications.


5. Myovant Sciences

  • Website: myovant.com
  • Headquarters: Brisbane, California, United States
  • Founded: 2016
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Myovant Sciences is a pharmaceutical company dedicated to improving people's lives through purpose-driven science, transformative advocacy, and empowering medicines. They focus on developing innovative medicines for conditions such as uterine fibroids, endometriosis, prostate cancer, and infertility. With a pipeline of medicines like Relugolix Combination Tablet and MVT-602, Myovant aims to address unmet medical needs and empower patients.


6. Amphastar Pharmaceuticals, Inc.

  • Website: amphastar.com
  • Headquarters: Rancho Cucamonga, California, United States
  • Founded: 1996
  • Headcount: 1001-5000
  • Latest funding type: Ipo
  • LinkedIn

Amphastar Pharmaceuticals, Inc. is a biopharmaceutical company focused on developing, manufacturing, and marketing a wide range of injectable, intranasal, and inhalation products. They specialize in complex medications derived from living cells or organisms, proteins, and interchangeable biosimilars. Additionally, they offer various proprietary products and technological platforms.


7. Vir Biotechnology, Inc.

  • Website: vir.bio
  • Headquarters: San Francisco, California, United States
  • Founded: 2016
  • Headcount: 201-500
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Vir Biotechnology is a company dedicated to preventing, treating, and curing infectious diseases. They focus on tackling some of the world's most challenging and evasive infections, including COVID-19, hepatitis B and hepatitis D, influenza A, and HIV. With a mission to create a world without infectious diseases, Vir Biotechnology combines immunologic insights with cutting-edge technologies.


8. ACON Laboratories

  • Website: aconlabs.com
  • Headquarters: San Diego, California, United States
  • Founded: 1995
  • Headcount: 1001-5000
  • LinkedIn

ACON Laboratories is a global provider of rapid diagnostics and healthcare products. They specialize in making Point-of-care medical diagnostics affordable and accessible to patients worldwide. Their products are used in hospitals, clinical laboratories, physician offices, blood banks, pharmacies, and veterinary clinics.


9. Heron Therapeutics, Inc.

  • Website: herontx.com
  • Headquarters: San Diego, California, United States
  • Founded: 1983
  • Headcount: 201-500
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Heron Therapeutics is a medical solutions company that focuses on acute care and oncology care. They offer a range of products and solutions to medical professionals, including SUSTOL®, CINVANTI®, ZYNRELEF™, and APONVIE™. They also provide publications, scientific posters, and presentations. The company prioritizes delivering innovative and effective solutions to address the needs of medical professionals and patients.


10. Quark Pharmaceuticals Inc

  • Website: quarkpharma.com
  • Headquarters: Fremont, California, United States
  • Founded: 1994
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

Quark Pharma is a company that specializes in the development and delivery of innovative pharmaceutical products. Their cutting-edge research and technology enable them to create advanced treatments for various diseases and medical conditions. With a focus on improving patient outcomes, Quark Pharma offers a range of therapeutic solutions to healthcare providers and patients worldwide.


11. CBCC Global Research

  • Website: cbcc.global
  • Headquarters: Bakersfield, California, United States
  • Founded: 1984
  • Headcount: 51-200
  • LinkedIn

CBCC Global Research is a leading clinical research organization offering end-to-end services for Phase I-IV of clinical trials, including safety management, clinical data management & statistical analysis, and medical & scientific writing.


12. ProSciento, Inc.

  • Website: prosciento.com
  • Headquarters: San Diego, California, United States
  • Founded: 2003
  • Headcount: 201-500
  • LinkedIn

ProSciento is a leading clinical research organization focused on improving the lives of patients with metabolic diseases. They offer science-driven services in the field of diabetes, NASH, and obesity, with a commitment to advancing research and achieving quality results.


13. Wilco Source

  • Website: wilcosource.com
  • Headquarters: Santa Clara, California, United States
  • Founded: 2014
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Wilco Source is a Salesforce implementation company specializing in providing solutions for healthcare and life sciences organizations. They offer end-to-end sales process automation, billing, quoting, order fulfillment, and field service solutions for medical device companies. With their strategic advisory, technical implementation, and managed services, they help healthcare and life sciences organizations achieve sustainable growth. Wilco Source is committed to being a trusted and valued partner in their clients' digital transformation journey.


14. Encoded Therapeutics Inc.

  • Website: encoded.com
  • Headquarters: South San Francisco, California, United States
  • Founded: 2014
  • Headcount: 51-200
  • Latest funding type: Series D
  • LinkedIn

Encoded Therapeutics is a company focused on translating next-generation science into transformative gene therapies. They aim to develop innovative treatments using gene therapy to address unmet medical needs.


15. Armata Pharmaceuticals, Inc.

  • Website: armatapharma.com
  • Headquarters: Marina Del Rey, California, United States
  • Founded: 2019
  • Headcount: 51-200
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Armata Pharmaceuticals is a leading company in the development of phage therapeutics to combat antibiotic resistance. With their innovative synthetic phage platform, they offer high-impact and best-in-class solutions. Their primary focus is on the research, development, and production of bacteriophages. They aim to address the global challenge of antibiotic resistance by providing precise and powerful treatments.


16. Arcturus Therapeutics

  • Website: arcturusrx.com
  • Headquarters: San Diego, California, United States
  • Founded: 2013
  • Headcount: 51-200
  • Latest funding type: Grant
  • LinkedIn

Arcturus Therapeutics is a global late-stage clinical messenger RNA medicines and vaccines company focused on the discovery, development and commercialization of therapeutics for rare diseases and vaccines.


17. Pardes Biosciences

  • Website: pardesbio.com
  • Headquarters: Carlsbad, California, United States
  • Founded: 2020
  • Headcount: 51-200
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Pardes BioSciences is a biotechnology company dedicated to developing innovative treatments for various diseases. With a focus on research and development, the company offers a pipeline of promising therapies targeting specific molecular pathways. Pardes BioSciences aims to improve patient outcomes and make a significant impact in the healthcare industry.


18. VIVUS, Inc.

  • Website: vivus.com
  • Headquarters: Campbell, California, United States
  • Founded: 1991
  • Headcount: 51-200
  • Latest funding type: Post Ipo Equity
  • LinkedIn

VIVUS is a company focused on addressing the therapeutic needs of patients with serious medical conditions and life-limiting diseases. With clinical development and commercialization expertise, they are dedicated to advancing innovative new therapies.


19. Technical Safety Services

  • Website: techsafety.com
  • Headquarters: Berkeley, California, United States
  • Founded: 1970
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

Technical Safety Services is a provider of testing, certification, calibration, and environmental services. They offer controlled environment testing and certification services, laboratory water system sales and support, and validation, commissioning, and decommissioning services. TSS serves diverse industries such as biotechnology, pharmaceutical, medical device, healthcare, academic research, and food production facilities. They have a nationwide network of skilled technicians and ensure compliance with regulatory standards. TSS is a trusted partner in ensuring safety and productivity in critical equipment and controlled environments.


20. ChemoCentryx

  • Website: chemocentryx.com
  • Headquarters: San Carlos, California, United States
  • Founded: 1997
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Chemocentryx is a company that offers innovative solutions in the field of pharmaceuticals. They specialize in creating new drugs to treat various diseases and medical conditions. With a focus on research and development, they aim to improve the quality of life for patients worldwide.


21. InClin, Inc

  • Website: inclin.com
  • Headquarters: San Mateo, California, United States
  • Founded: 1998
  • Headcount: 51-200
  • LinkedIn

InClin is a full-service Contract Research Organization that focuses on finding new treatments for diseases and improving the quality of life for millions of people worldwide.


22. ProcDNA

  • Website: procdna.com
  • Headquarters: South San Francisco, California, United States
  • Founded: 2019
  • Headcount: 51-200
  • LinkedIn

ProcDNA is a leader in commercial analytics and technology, providing solutions to leading life science firms. They bring a fresh and collaborative approach to all projects, focusing on implementing recommendations for success. With deep industry and functional expertise, ProcDNA sparks innovation and drives change in the industry.


Want to find more healthcare companies?


If you want to find more companies that provide innovative healthcare solutions, pioneering across various medical fields you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


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  • Ownership: Which of these are private equity backed? Which are family-owned?
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...and a lot more!