AHPI is the smallest public company that makes ventilators in the US: Per this recent Forbes article from a few days ago. Note -Ventec is private The seven-year-old, 135-employee Ventec is a fairly small player in a market dominated by Medtronic (under the Puritan Bennett brand), GE Healthcare and Allied Healthcare in the U.S., and Hamilton Medical, Getinge, Drägerwerk and Philips Healthcare in Europe. https://www.forbes.com/sites/baldwin/2020/03/14/ventilator-maker-we-can-ramp-up-production-five-fold/#f9382f55e9a5