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Excellence Delivered by Proven Performance

Pleiadian Holdings, Ltd., embodies Spectrum Technologies International, Ltd., ORION4Sight, Ltd., and ORION4Sight Therapeutic Eyewear, Ltd., plus other affiliated corporations located in the western suburbs of Chicago, Illinois.

Spectrum Technologies International
P.O. Box 455 Naperville, IL 60566
(630) 334-3685

Copyright, Spectrum Technologies International, Ltd., 1994-2019 All rights Reserved