ET Enterprises Limited is a UK based manufacturer of photomultiplier tubes and associated products. Combining the resources of our R&D and manufacturing facilities in the UK, we are able to supply a wide range of photomultiplier tubes and associated electronics which are tailored towards individual customer requirements. As a subsidiary of Ludlum Measurements Inc. (LMI), ET Enterprises distributes the ADIT range of photomultipliers outside the US.