Founded in 1973, MARUWA is a world-class specialized manufacturer of electronic components and ceramic materials. Its key products include customized heat sinks, wire-bondable capacitors, broadband capacitors, thermistors, and more, primarily serving the optical transceiver module market.

Founded in 1948, NDK is a world-class manufacturer of crystal resonators, oscillators, filters, SAW filters, and optical low-pass filters, serving automotive electronics, consumer electronics, AI infrastructure, and optical module markets.

Founded in 1918, PANASONIC is a world-class specialized manufacturer of electronic materials, active and passive components, batteries, smart manufacturing equipment, and system solutions, serving automotive electronics, new energy, smart manufacturing, and IoT markets.

Founded in 1997, LANDMARK is a world-class specialized manufacturer of semiconductor equipment, optical components, and related solutions. Its key products include high-power lasers, primarily serving the optical module market.

Founded in 1884, SCHOTT is a world-class specialized manufacturer dedicated to the R&D and production of specialty glass, glass-ceramics, and high-performance polymers, serving pharmaceuticals, electronics, construction, home appliance, semiconductors, automotive, aerospace, astronomy, augmented reality (AR), and energy markets.

Founded in 2013, OVLINK is a world-class specialized manufacturer of high-speed optical interconnect products, optical communication test equipment, fiber optic sensing systems, and instruments. Its key products include optical cable locators, high-speed bit error rate testers (BERTs), semiconductor laser controllers, distributed acoustic sensing (DAS) systems, and more, primarily serving the optical communications market.

Founded in 2007, FOCUSLIGHT is a world-class specialized manufacturer engaged in the R&D, production and sales of laser sources, optical components, photonic modules and sub-systems, serving optical communications, consumer electronics, and semiconductors processing markets. In addition, the company is actively expanding its global photonics process and manufacturing service capabilities.