Opinion In three days, life in a new Fort Worth mask company shifted from no business to complete sellout Co-owners sold more than a quarter-million N95 masks. They slept in the factory to ship orders 24/7. United States Mask Co. founders David Baillargeon (left) and John Bielamowicz at their factory in Fort Worth. In a matter of days they sold a quarter-million N95 masks across the nation.(Lawrence Jenkins / Special Contributor) Two men pumped their life savings into building from scratch a factory that makes certified N95 masks, the kind you want but can’t find easily online because scammers have made it difficult.