» Cradley Crystals    Single-crystals of YAG, LiNbO3, LiTaO3, KDP, DKDP, ZnSe, MgF2, and CaF2.    http://www.cradley-crystals.com

» Cristal Laser S.A.    Specializes in growth of nonlinear crystals.    http://www.cristal-laser.fr/

» Keystone Crystal Corporation    Manufactures and fabricates high quality cadmium telluride, cadmium zinc telluride and related single crystal substrates.    http://users.zoominternet.net/~kcc/

» Photox Optical Systems    Supplier of a variety of non-linear, laser, scintillation and photorefractive crystals and superconductive substrates.    http://www.photox.co.uk

» SHINKOSHA co., Ltd    Crystal growth and precision processing of oxide materials.    http://www.shinkosha.com

» Stratophase Ltd    Supplier of nonlinear optical materials including periodically poled lithium niobate (PPLN).    http://www.stratophase.com/

» Tecrys Ltd    Manufacturer of nonlinear optical materials: lithium triborate (LBO), beta barium borate (BBO), cesium lithium borate (CLBO) and potassium tytanil phosphate (KTP).    http://www.tecrys.com

» U-Oplaz Technologies, Inc.    Authorized dealer for JDSU CASIX crystals.    http://www.u-oplaz.com/

» Vitron - Spezialwerkstoffe GmbH    Provider of optical materials and components for infrared and other different applications.    http://www.vitron.de