FIS is a manufacturer and full-line distributor of communication fiber optics; test equipment, connectors, cable and cable assemblies, tools and tool kits, fiber optic consumable products, Category 5e and 6 cabling products, active network equipment, and fiber optic security systems and components.

FIS serves over 11,000 customers from all segments of the fiber optics industry including: telecommunications, contractors, resellers/distributors, researchers, government, education, cable TV operations, and telephone R&D facilities. FIS is international in scope, serving customers in 110 countries.