George A. Schreiber

SEMCO Energy, Inc. supplies and markets natural gas. It also also owns and operates businesses such as SEMCO Energy Gas Company and ENSTAR Natural Gas which involve in natural gas, propane distribution, intrastate pipelines and natural gas storage. The company is headquartered in Plymouth, MI.

Energy Conversion Devices, Inc. engages in the design, manufacture and sale of photovoltaic products. It manufactures and sells thin-film solar laminates that convert sunlight to energy using proprietary technology. Energy Conversion Devices operates in two reportable business segments, namely, United Solar Ovonic and Ovonic Materials. The United Solar Ovonic segment designs, manufactures and sells PV laminates that generate clean, renewable energy by converting sunlight into electricity. The Ovonic Materials segment invents, designs and develops materials and products based on its pioneering materials science technology. Energy Conversion Devices also designs, manufactures and installs rooftop photovoltaic systems, which enable customers to transform unused space on the rooftop into a value-generating asset. The company was founded in 1960 and is headquartered in Rochester Hills, MI.

Continental Energy Systems LLC distributes natural gas to residential, commercial, and industrial customers. The company was founded on February 19, 2008 and is headquartered in Bingham Farms, MI.

Global Energy Group, Inc. develops and markets energy efficiency products. The company is headquartered in Plano, TX.

American Zinc Recycling LLC produces zinc, zinc oxide, and zinc powder from recycled sources. The firm’s products include special high-grade zinc, continuous galvanizing grade, high grade zinc, prime western zinc, and silver/lead concentrate. It also operates as a recycler of electric arc furnace dust. The company was founded in May 2003 and is headquartered in Moon Township, PA.