Barbara Burzynski

American Medical Association engages in promoting the art and science of medicine and the betterment of public health. It offers services to physicians, residents, medical students, and patients. The company was founded by Nathan Smith Davis in 1847 and is headquartered in Chicago, IL.

Texas Medical Association, Inc. provides healthcare services and civic & social activities. It provides financial & investment planning, loans, and subscription services to its members. The company was founded in 1853 and is headquartered in Austin, TX.

Sigma XI is a scientific research honor society that supports students and researchers, connects the public with science, and advances the research enterprise. The society is based in Durham, NC, and the CEO is Jamie L. Vernon. The society awards grants to students, hosts conferences, and offers programs such as science cafes and lectureships. Sigma XI also partners with other organizations to promote science communication and diversity in STEM fields.

New York Academy of Sciences is an independent, not-for-profit organization, which engages in the advancement of scientific research, education, and policy. The company was founded in 1817 and is headquartered in New York, NY.

American Association for Cancer Research prints and publishes scientific journals including clinical cancer research, molecular cancer therapeutics, molecular cancer research, cancer epidemiology, and biomarkers and prevention. The company was founded on May 7, 1907 and is headquartered in Philadelphia, PA.

The Royal Society of Medicine provides postgraduate medical education. The Society provides a range of educational activities and opportunities for doctors, dentists and veterinary surgeons, including students, and for allied healthcare professionals. It also promotes an exchange of information and ideas on the science, practice and organization of medicine, both within the health professions and with responsible and informed public opinion. The Society was founded in 1805 and is headquartered in London, the United Kingdom.

The Society of Neuro-Oncology is a non-profit organization, which engages in the research, education, and collaboration for central nervous system tumors in children and adults. The company was founded on January 31, 1996 and is headquartered in Bellaire, TX.

Harris County Medical Society is an organization that provides resources and support to physicians in the Harris County area. The non-profit company is based in Houston, TX. The company's services include advocacy efforts, practice resources, membership benefits, events, publications, and education programs. The company also offers community health resources and disaster preparedness information.

The Society for Neuroscience is an organization with over 36,000 members in more than 95 countries. The non-profit company is based in Washington. The organization also engages in science advocacy and public policy, including an annual Capitol Hill Day, and has various public outreach efforts, such as the interactive collection of public-facing resources on BrainFacts.org. It was founded in 1969 and offers year-round programming, including the publication of two scientific journals, professional development resources, and career training through Neuronline.

Part of Advarra, Inc., IRB Services Ltd. provides independent institutional review board services. The company is based in Aurora, Canada. IRB Services was acquired by Chesapeake Research Review LLC on April 18, 2014.

AfRIG Senegal SA explores, develops, and mines for raw materials, phosphorite resources, and related deposits. The company is headquartered in Dakar, Senegal.