Padtec S.A. Brazil coherent optics, dwdm, fiber optics, optical networks, otdr, photonics, and transceivers
Doric Lenses Inc. Canada fiber optics, fluorescence microscopy, lens design, microlenses, neurophotonics, optogenetics, and photometry
Gooch & Housego PLC United Kingdom acousto-optics, fiber optics, laser components, lens systems, optical engineering, and photonics
