The top ten companies are from five countries, including the United States (CORNING), China (YOFC, HTGD, FiberHome,ZTT), Japan (Furukawa Electric/OFS, Sumitomo Electric, Fujikura), Italy (Prysmian) and India (Sterlite). Below, we dive into the top 10 cable companies globally, exploring their contributions, technological innovations, and significant roles in shaping the future of the industry. The Italian-based Prysmian Group is the undisputed leader in the cable manufacturing sector. As the world's largest cable. Since 2006, the "Global and China Optical Communication Enterprises Competitiveness Evaluation" sponsored by the Institute of Network Telecom Information has been held 19 years, fully presenting the industry pattern and the changes of enterprise competitiveness through detailed data. The "Top 10. As of November 2025, China's fiber optic market is valued at over USD 10 billion, accounting for more than 50% of global production capacity (per Mordor Intelligence). With annual output exceeding 1. Use it as a fast shortlist when planning new FTTH/FTTA or data-center builds. 98 billion in 2023 and is projected to reach USD 18. 80% during the forecast period (2023-2032).