Fiber Instrument Sales, Inc. (FIS) was founded in 1985 to fulfill the growing need in the communications industry for fiber optic cables and connectivity equipment. 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.