Airtho

It handles engineering, procurement, installation and commissioning. Its pre-engineered kits combine its own components, such as a 4-by-4-foot ceiling grid and structural supports that carry room and HVAC loads, with off-the-shelf parts. Its projects range from 2,000 sq ft R&D dry rooms to 55,000 sq ft gigafactory installations.

Airtho is the trading name of Cleanroom Products Company, LLC, and is co-located with the University of New Hampshire's John Olson Advanced Manufacturing Center. It also builds cleanrooms for nanotechnology, optics, additive manufacturing and universities.