• Oncology Hematology Group of South Florida provides therapies in hematology and clinical, radiation, and pediatric oncology.

• Patients Comprehensive Cancer Center specialized oncology and hematology facility providing diagnostic services, radiation therapy, systemic chemotherapy, hepatic artery perfusion, hormone therapy, and more.

• Penrose Cancer Center state of the art cancer diagnosis and treatment center and support services facility located in Colorado Springs, CO.

• Radiation Therapy Services Inc. radiation oncology treatment centers in multiple Florida and U.S. locations.

• Rational Therapeutics provides clinical analysis of cancer tissues to offer therapy recommendations and treatment.

• Regional Cancer Center, The offering outpatient services in Ohio, Pennsylvania, and New York. Includes treatment, education, research, and community resources.

• Royal Marsden Hospital specialises in cancer care, treatment, research, training, and education.

• Rudd Clinic out-patient facility for diagnosis and treatment of colon and rectal problems. In-office colonoscopy, colon and rectal surgery, treatment, and prevention.

• Seattle Prostate Institute provides radioactive seed implants (brachytherapy) as an alternative to radical surgery.

• Shaukat Khanum Memorial Cancer Hospital and Research Centre Dedicated to the free care of indigent cancer patients.

• Sheehy, Patrick F. MD provides information in all aspects of cancer care.

• Simonton Cancer Center offering psychoneuroimmunology, books and mind-body cancer treatment.

• Sugarbaker Oncology Associates, P.C. at the Washington Cancer Institute, specializing in surgical treatment of cancers in the gastrointestinal tract, liver, pancreas, sarcomas, and mesothelioma.

• Sutter Cancer Center comprehensive oncology center, providing primary and tertiary care to patients thoughout Northern California.

• The Gerson Institute Nonprofit organization dedicated to the holistic treatment of degenerative diseases.

• The Sarah Cannon Cancer Center Network of 16 affiliated medical facilities in the middle Tennessee/Southern Kentucky area that provides diagnosis and treatment to cancer patients.

• Thompson Cancer Survival Center outpatient facility offering state-of-the-art cancer treatment, including clinical trials with investigational drugs.