International Isotope Society
- http://www.intl-isotope-soc.org/
- 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.
IsoSciences
- http://www.isosciences.com/
- Custom stable isotope labeling and small scale organic synthesis including the preparation of metabolites and PET precursors and standards.
MDS Nordion
- http://www.mds.nordion.com/
- Radioisotope technology used to prevent, diagnose and treat disease. Products and services include nuclear medicine, radiation therapy for cancer, irradiation sterilization and food irradiation.
RITVERC GmbH
- http://www.ritverc.com/
- A producer and worldwide supplier of radioisotope products for science, industry, and medicine. Product list includes radiation sources, labelled compounds, stable isotopes, and radiopreparations.
Spectra Gases
- http://www.spectra-gases.com/
- 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.
Wellington Laboratories
- http://www.well-labs.com/
- Produces 12C and 13C halogenated reference standards of environmental concern, including chlorinated and brominated dioxins, furans, biphenyls and diphenyl ethers. Includes corporate and product details, online catalog and contacts.