5 Best Face Mask Manufacturers in USA - HisoMedical
SQM’s face masks are made of 3 ply protection and are available as ASTM levels 1 or 2. They also have 4-ply non-woven medical masks and KN95 masks. 4. Safety Pure. Type of Business: Manufacturer, OEM provider Headquarters: Las Vegas, Nevada, US Main Market: USA Certificates: FDA-approved, ASTM standards