KRINNER ground screws are an economical and sustainable solution for the installation of ground mount solar systems and construction projects that fall under the renewable banner and beyond. KRINNER, as the original designer and patent holder of ground screw technology, has extensive expertise and experience in providing a better foundation for a variety of conditions and needs. We are the manufacturer of our screws and have distribution throughout North America. Our screws are used by diy-ers to utility level projects around the world.