Hoku 

Hoku Corporation operates as a solar energy products and services company primarily in the United States. It focuses on manufacturing polysilicon, a primary material used in the manufacture of photovoltaic (PV) modules; and designing, engineering, and installing turnkey PV systems and related services in Hawaii using solar modules purchased from third-party suppliers. The company was formerly known as Hoku Scientific, Inc. and changed its name to Hoku Corporation in March 2010. Hoku Corporation was incorporated in 2001 and is headquartered in Honolulu, Hawaii. On July 2, 2013, Hoku Corporation along with its affiliates filed a voluntary petition for liquidation under Chapter 7 in the U.S. Bankruptcy Court for the District of Idaho.