Ryan Lettau

Terra Solar Global, Inc. produces and sells solar generated electric power. The company manufactures photovoltaic modules and system components and also builds and installs photovoltaic systems. It is headquartered in New York City, NY

Part of GJR Collectibles LLC, Kraft Rt is a Hungarian company that manufactures equipment utilized in the production of thin film based photovoltaic modules. The company is based in Budapest, Hungary. Kraft was acquired by GJR Collectibles LLC from Solar Thin Films, Inc. on October 02, 2013.

Tim O'Brien Homes, Inc. develops residential homes. It builds semi-custom, single family homes using green-certified methods in southeastern and south central Wisconsin. The firm also provides solar electric systems for the homes. The company was founded by Timothy M. O'Biren in 2007 and is headquartered in Pewaukee, WI.

Neumann Cos., Inc. offers green building and conservation development services. Its services include land development, solar energy production and green building. The company was founded by Mark Neumann in 1979 and is headquartered in Pewaukee, WI.