DFCI Solutions is a fastener manufacturing company that has maintained a plant in West Islip for more than 60 years. The company is the originator of the Quarter Turn Fastener and offers a diverse product line of quick-acting fasteners. Formerly named the Dzus Fastener Company, DFCI Solutions manufactures a wide range of small component quarter-turn, quick acting fasteners and latching devices suited to meet a variety of fastening needs.