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AER Energy Resources, Inc., through its subsidiaries, engages in acquiring, managing, and operating oil and gas properties in North America. The company is also involved in the recycling of used motor oil; marketing of related fuel and energy products to users, suppliers, and recycler's; and real estate business. AER Energy Resources, Inc. was founded in 1989 and is based in Scottsdale, Arizona.

Axion Power International, Inc. focuses on PbC battery technology business. It offers hybrid asymmetric energy storage devices. The company was founded in 2003 and is based in Boardman, Ohio.

Evans & Sutherland Computer Corporation produces and sells visual display systems used primarily in full-dome video projection applications, dome projection screens, and dome architectural treatments in the United States and internationally. The company's products include planetarium and dome theater systems consisting of proprietary hardware and software, and other visual display systems primarily used to project digital video on large curved surfaces. It also produces content for planetariums, schools, science centers, other educational institutions, and entertainment venues; and show content for its own library that it licenses to customers and for specific customer requirements for planetarium and dome theaters. In addition, the company manufactures and installs metal domes with customized optical coatings and acoustical properties that are used for planetarium and dome theaters, and other custom applications; and designs and supplies geometrically complex structures for customized architectural treatments. Evans & Sutherland Computer Corporation was founded in 1968 and is based in Salt Lake City, Utah.

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.

Isomet Corporation designs, develops, manufactures, and sells acousto-optic (AO) devices, RF electronics, and optical sub-systems in the United States and internationally. The company offers AO navigation products, including modulators, frequency shifters, deflectors, tunable filters, Q-switches, special function devices, fiber optic couplers, and standard AR coatings; and electronics navigation products, such as modulator drivers, deflector drivers, AOTF drivers, Q-switch drivers, frequency sources and amplifiers, and custom electronics, as well as accessories. Isomet Corporation was founded in 1956 and is based in Springfield, Virginia.