International non-profit professional society for the fiber optic industry develops educational programs, certifies fiber optic technicians, approves fiber optic training courses, participates in standards-making processes and promotes fiber optics.

Manufactures and sells proprietary electro/optical devices which measure color and appearance, optical density and photographic density. (Nasdaq: XRIT).

Develop and manufacture radio frequency and optical fiber communications products for networks. Includes a range of product and corporate data, company news, and career opportunities. (Nasdaq: WJCI)

Manufactures integrated optical components in silicon via ASOC: transceiver modules and receivers, DWDM and sensor applications.

Manufacturer of optometers, detectors, filters, input devices, integrating spheres and associated accessories.

Provider of high capacity optical switches for the telecommunications industry.

Manufactures wide range of fiberoptic products, primarily for the telecommunication, data communication, and cable television industries. Comprehensive site incorporates detailed product and application information.