Applied Optoelectronics, Inc. (AAOI) is a fiber-optic networking equipment provider serving internet data centers, cable television, telecommunications, and fiber-to-the-home markets. Its portfolio spans individual components, subassemblies, and modules through fully integrated turnkey systems. Customer-facing staff and production teams based across Taiwan, China, and the United States collaborate with buyers on design, qualification, and performance requirements. Manufacturing and research-and-development sites are also located in those markets, supporting all four end markets.