• AMC Cancer Research Center not-for-profit research institute dedicated to the prevention of cancer and other chronic diseases.

• American Association for Cancer Research (AACR) authoritative source of scientific discoveries in cancer causation, diagnosis, treatment, and prevention.

• American Society of Clinical Oncology The information provided by ASCO is extensive and aimed towards health professionals.

• Arlington Cancer Center oncology and cancer treatment and research facility.

• Barbara Ann Karmanos Cancer Institute cancer research, treatment, education, and outreach centers.

• Bath Cancer Research works to provide a local initiative to a world-wide problem, through research into new drugs to the optimization of patient/drug compatibility using presently available treatments.

• British Columbia Cancer Research Centre research arm of the BC Cancer Agency. Provides information on research projects, publications, and scientific personnel.

• British Thoracic Society official body of respiratory specialists.

• Cancer Foundation of Santa Barbara is a nonprofit cancer treatment center offering radiation therapy, chemotherapy, nuclear medicine and patient support services to the community.

• Cancer Group Institute provides information on available treatments of different cancers.

• Cancer Institute - Tehran University of Medical Sciences only comprehensive cancer center in Iran.

• Cancer Research Institute CRI was founded to foster the science of cancer immunology.

• Cancer Treatment Research Foundation (CTRF) medical philanthropy and charity devoted to cancer treatment and oncology research, fundraising, and prevention.

• Center for Orthopaedic Oncology and Musculoskeletal Research (COOMR) providing information about, and specialized treatment for, sarcomas and other musculoskeletal tumors.

• Centre for Developmental Cancer Therapeutics (CDCT) consortium of four major hospitals and two leading research institutes committed to furthering our understanding of cancer through clinical research.

• Children's Cancer Institute Australia (CCIA) Australian research institute devoted to childhood cancer.

• Children's Oncology Group National Cancer Institute-supported clinical trials cooperative group devoted exclusively to childhood and adolescent cancer research.

• City of Hope National Medical Center dedicated to the prevention, treatment, and cure of cancer and other life threatening diseases through innovative research and patient care.

• Cork Cancer Research Centre based in Mercy Hospital Cork.

• European Organization for Research and Treatment of Cancer (EORTC) conducts, develops, coordinates, and stimulates research in Europe on the experimental and clinical bases of treatment of cancer and related problems.