Flex-N-Gate | 41,038 followers on LinkedIn. Starting with aftermarket parts in 1956 and moving into O.E. in 1968, Flex-N-Gate produces the highest quality products and systems for the automotive industry. With our extensive plastics, metals and mechanical assemblies experience, we persistently strive for continuous improvement and on-time delivery of defect-free products. We provide our customers a comprehensive solution using our collective resources of product engineering, project management, testing, stamping, welding, molding, painting, plating, assembly and shipping.