L&D Industries, Incorporated Home Aviation Products L & D Industries is an ISO 9000 certified manufacturer specializing in the design and production of screws, connectors..., and wide spectrum of other precision machined components. We have decades of experience creating precision, high quality parts for industries whose livelihood is centered around... of parts targeted towards the needs of your industry. With capabilities ranging from casings to electrical caps, L & D is a one-stop shop for your aerospace manufacturing needs. We...