CleanFiber™ makes high-performance cellulose insulation from recycled corrugated cardboard boxes and other clean sources of high quality fiber. The company was formerly known as Ultracell Insulation and was founded by veteran cellulose installers, who wanted to see this industry thrive despite declining supplies of old newsprint (which is the primary feedstock of the industry today).

Mighty Buildings is a construction technology company based in Oakland, CA that is innovating the construction industry by creating beautiful, sustainable, and high-quality homes using advanced materials, patented 3D printing technology, and robotics automation.