FiberCore, Inc., established in 1987 and headquartered in Charlton, Massachusetts, was a company primarily engaged in the development, manufacturing, and marketing of single-mode and multimode optical fibers and their foundational preforms for the telecommunications and data communications sectors. Its global operations included FiberCore Jena A.G. (FCJ), a fully-owned subsidiary in Germany, which specialized in multimode fiber and preforms, and Xtal FiberCore Brasil S.A. (Xtal), a 90%-owned subsidiary located in Campinas, Brazil, focusing significantly on single-mode fiber and preforms. Additionally, through FiberCore Systems, Inc., the company provided design, installation, and maintenance services for optical fiber, wide area, and even non-fiber optic networks, particularly within the Northeast U.S., catering to local area network (LAN) requirements for institutions such as hospitals, universities, government agencies, and commercial entities.
