A list of the top fiber optic cable suppliers and manufacturers in the USA and Canada, including the top fiber optic cable companies with diversity status and quality certifications. As AI data centers expand and broadband initiatives accelerate across the United States, the demand for high-quality fiber optic cabling has never been higher. For procurement managers and network engineers, the challenge is balancing performance, budget, and lead times. While US-based giants. Corning Incorporated, founded in 1851 and headquartered in Corning, NY, employs over 58,000 professionals and records annual sales exceeding $250 million. 1 Thomas has been North America's number one industrial sourcing platform for more than 125 years. On Thomasnet, you'll find more than 630 suppliers of. Fiber optic cables are a critical component of modern digital infrastructure, providing the backbone for high-speed internet, telecommunications, and data transfer.