Allied Healthcare specializes in manufacturing respiratory supplies for pre-hospital care. Allied Healthcare offers a full range of resuscitator supplies including a wide range of transport ventilators designed to provide compact, portable solutions for EMS with a large selection of ventilator circuits, batteries, and carry cases. Allied also offers a wide variety of other oxygen supplies including oxygen tank regulators, wrenches, and demand valves, as well as oxygen masks and BVMs. QuadMed offers a large selection of Allied Healthcare respiratory equipment that has been designed for use in the pre-hospital environment.