Martek Biosciences - can supply isotopically enriched biochemicals

Isotope Explorer - - nuclear data a mouse-click away

U.S. DOE Isotope Programs - Information about Department of Energy production of isotopes for use in medicine, research and development, and industry. DOE is the only U.S. source of many important isotopes.

MDS Nordion - Radioisotope technology used to prevent, diagnose and treat disease. Products and services include nuclear medicine, radiation therapy for cancer, irradiation sterilization and food irradiation.

Isoflex. - Russian-produced stable isotopes for use in science, medicine and industry. Non-radioactive isotopes only.

Stable Isotope Lab Home - The Stable Isotope Lab studies past and present climate change.

Radioisotopes in Medicine - Stable and unstable isotopes are covered.

Moravek Radiochemicals - Manufacturer of tritium and carbon 14 labeled radiochemicals for AIDS and cancer research.

International Isotope Society - The IIS provides a forum for all chemists involved in radiochemical synthesis and analysis to obtain and share information outside of their immediate area of employment and expertise.

PicoTrace - Equipment for trace element and isotope analysis.

Spectra Gases - Specialty gases for high technology markets. Our core business is pure gases and gas mixtures for excimer lasers and lamps. Isotopic en-richment of gases for research.

RITVERC GmbH - A producer and worldwide supplier of radioisotope products for science, industry, and medicine. Product list includes radiation sources, labelled compounds, stable isotopes, and radiopreparations.

Advanced Materials Technologies Ltd, - AMT, supplies stable isotopes, deuterated solvents and high purity materials for medical and chemical research.

Chemgas - Chemgas supplies high purity rare gases and isotopically enriched gases.

International Isotopes Clearing House, Inc. - Catalog listing of radioisotopes, 14C- and 3H-labeled compounds for medical research, 33P- and 125I- available.

STB Isotopes - Stable isotopes for science, medicine and industry, a list of some rare and unusual stable isotopes.

Stable Isotope Suppliers - An extensive list from UVM.

Gamma Radiation Sources - CNEA (Argentina's nuclear energy agency) produces qualified cobalt-60 sources for irradiation plants and for medical use.

Biodex Medical Systems - Manufacturer of Diagnostic Imaging products including accessories for the safe handling, storage and transport of high energy radionuclides used in Positron Emission Tomography (PET).