Over the past several decades CIL has increased its global footprint and now has over 400 employees in its facilities located in four countries. The CIL group is comprised of six companies: Cambridge Isotope Laboratories (CIL), CIL Isotope Separations (CIS) and Membrane Receptor Technologies (MRT)  in the US; CIL Canada in Montreal, Canada;  Euriso-Top in Saclay, France and  ABX GmbH in Dresden, Germany.

CIL’s state-of-the-art production facilities are located at the company’s headquarters in Tewksbury, Massachusetts as well as the company’s primary production laboratories in Andover, Massachusetts. Our isotope separation facility located in Xenia, Ohio houses the world’s largest Carbon-13 and Oxygen -18 isotope separation facilities and the world’s only commercial D₂O enrichment columns.