In operation since 1987, DK Manufacturing, LLC., specializes in the design and manufacture of rugged and reliable equipment for aerospace, oilfield, and other commercial industries. DK Manufacturing takes great pride in our reputation for building high quality, low maintenance equipment which has kept our customers coming back year after year.    Some of our many customers include the U.S. Navy, the U.S. Air Force, Boeing and Lear Siegler.In order to meet our customers’ needs, DK Manufacturing has the capability of engineering and manufacturing unique, prototype and one of a kind pieces of equipment. We are able to start with a customers’ concept or idea and build a reliable, working piece of equipment.  We also have the capability to produce equipment in large production runs.    In 2002, DK Manufacturing became the exclusive licensed manufacturer, spare parts supplier, and repair center for all Zwick Energy Research products. This includes nitrogen generation units, liquid nitrogen servicing units, nitrogen and oxygen pumps, heat exchangers, burners, nitrogen pumping equipment, and the complete line of Ground Support and Oilfield Equipment formerly manufactured by Zwick Energy Research.Our management and employees continue to build the best, most innovative and most reliable equipment in the marketplace.