Index Instruments U.S., Inc.

is an independent company incorporated in the USA with its own staff to give service to all American customers. The management of Index Instruments U.S., Inc., Index Instruments Ltd. and Optical Activity Ltd. is the same and so, when dealing with Index Instruments U.S., Inc., you are dealing with part of the company that manufactures the range of high quality polarimeters and refractometers for which Optical Activity Ltd. and Index Instruments Ltd. are world famous.