Founded in June 1997, LandMark Optoelectronics Corporation (LMOC) is a manufacturer of GaAs and InP based epi-wafers located in Tainan Science Park. Epi-wafers produced by OMVPE method are widely used in optical communication, consumer products and industrial applications. LMOC is the major supplier of components related to EPON/GPON applications and Si-Photonics components for commercial applications.

LMOC is a professional Epitaxy House with ISO 9001 certification offering customer stable-quality and competitive-price products and on-time delivery. Moreover, LMOC also participates the design of customer's product and provides consultation based on its extensive experience in epitaxial growth to speed up customer's R&D related to the conformation design of the epi-wafer. Meanwhile, acquiring ISO 14001 certification demonstrates LMOC's commitment and effort to protect the environment.

With the thriving of optical communication market in recent years, LMOC also endeavors to explore its business and service. In 2011, LMOC relocated its headquarter to the newly-built fab in Tainan Science Park and procured new equipment to expand its operation scale in order to achieve both its quantity and quality via offering customer products of better quality and delivery of more flexibility. As to new product development, LMOC co-develops with its customers several products related to EPON/GPON applications. One by one, those products have been put into production and hit the market after verification.