Profile: D W D International, Llc. provides air conditioning, heating, ventilating and pressurization systems. We fabricate, install, service and maintain the system. Our applications include laboratory and well logging complexes, seismographic vessels, docking terminals, industrial complexes & control buildings. We design and fabricate in-house electrical control panels that accompany our systems. We also maintain technical representatives and field crews that are adept in all areas of installation, including ductwork, piping, commissioning & service.