Direct OEM is expected to remain the largest sales channel segment, accounting for 61.1% of the Positive Pressurized Containers Market in 2026. Among container types, Positive Pressure Shelters lead with a 38.0% share, while Filtered Air Pressurization represents the largest pressure system segment, accounting for 38.0% of the market. The competitive landscape includes prominent companies such as G-CON Manufacturing, Germfree, and Terra Universal, alongside AES Clean Technology, PortaFab, Mecart Cleanrooms, Panel Built, and Clean Air Products.