FTI (Fiberoptics Technology Incorporated), with manufacturing facilities in Connecticut and Florida, is the largest supplier of custom designed OEM fiber optic components in the United States, maintaining the largest fiber production capacity of any company in North America. Since that time, the company has doubled in size more than 7 times. We believe our growth to be the result of our. This guide to the top 15 fiber optic manufacturers breaks down the companies shaping the next era of global connectivity — pairs well with our regional deep-dives on the top 15 USA fiber optic cable companies and the top 15 European fiber optic cable companies for 2026. Choosing a fiber optic. Fiberoptics Technology Inc. In addition to engineering, FTI also has a team of creative and dedicated professionals assigned to R&D. Mechanical, Optical and Electronic.