JEFCO Standard or Custom Industrial & Marine Hinges Manufacturer of Standard and Custom Industrial & Marine Hinges We are family owned and operated with three generations of hinge manufacturing experience. Small Enough to Serve - Large Enough to Supply Service and quality are a way of life at Jefco Manufacturing. Our sales, engineering and production departments work hand in hand, keeping up-to-date on new capabilities, production rates, and stock quantities in a way that few firms can match. Our fully automatic and semiautomatic equipment allows us to supply standard and custom hinges of qual