Fiber Instrument Sales (FIS) is a manufacturer and distributor of fiber optic equipment and supplies. The company was founded in 1985 and is headquartered in Oriskany, New York. FIS's products include fiber optic cables, connectors, and test equipment, and the company also offers custom cable assemblies and installation services. FIS serves a variety of industries, including telecommunications, military, and medical, and its products are sold worldwide. FIS is known for its expertise in fiber optic technology and its commitment to customer service.