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American Electric Technologies, Inc. supplies power delivery solutions in the United States and internationally. It provides power distribution, power conversion, and automation and control systems that distribute and control the flow of electricity from the source to the mechanical device. The company's power distribution products include low and medium voltage switchgears, medium voltage arc-resistant switchgears, low and medium voltage motor control centers, bus ducts, fuse and switch products, and other related power distribution equipment; and power conversion solutions comprise alternating current variable frequency drive systems, analog systems, and digital silicon controlled rectifier (SCR) products. It also provides automation and control solutions for the management and control of power in a customer's application; power distribution centers that are used to house power distribution and conversion products; variable frequency drive and SCR houses for land drilling; and driller's cabins for land and offshore deployment. In addition, the company offers electrical power infrastructure commissioning and maintenance services; electrical and instrumentation construction, and installation services, including electrical and instrumentation turnarounds, maintenance, renovation, and new construction projects; and low and medium voltage start-up/commissioning, preventative maintenance, emergency call out, and breaker and switchgear refurbishment services. It serves the oil and gas, power generation and distribution, and marine and industrial markets. The company was founded in 1946 and is headquartered in Houston, Texas.

China Carbon Graphite Group, Inc., together with its subsidiaries, engages in the research and development, manufacture, rework, and sale of graphene, graphene oxide, carbon graphite felt, and graphite bipolar plates in the People's Republic of China. Its graphene oxide is used as a conductive agent in lithium ion batteries, super capacitors, rubber and plastic additives, conductive inks, special coatings, transparent conductive thin films, and chips; and graphite bipolar plates are used in solar power storage. The company operates roycarbon.com, a business-to-business and business-to-consumers Internet portal for graphite related products. China Carbon Graphite Group, Inc. was founded in 1986 and is based in Diamond Bar, California.

Ideal Power Inc. focuses on the development and commercialization of its bidirectional bipolar junction TRANsistor solid-state switch technology. The company offers SymCool Power Module designed to meet low conduction loss needs of the solid-state circuit breaker market. It serves electric and hybrid electric vehicles, electric vehicle charging, renewable energy and energy storage system power converters, uninterruptible power supplies for data centers, industrial motor drives, solid-state circuit breakers, distribution and transmission switches and controls, and other industrial and military markets. The company was formerly known as Ideal Power Converters Inc. and changed its name to Ideal Power Inc. in July 2013. Ideal Power Inc. was incorporated in 2007 and is headquartered in Austin, Texas.

SCI Engineered Materials, Inc. engages in the manufacture and supply of materials for physical vapor deposition thin film applications in the United States. It offers ceramic targets, metal sputtering targets, and backing plates for use in semiconductors, thin film solar, flat panel displays, defense, aerospace, and photonics industries. The company's materials are used to produce nano layers of metals and oxides for advanced material systems; and in applying decorative coatings for end uses, such as sink faucets to produce various electronic, photonic, and semiconductor products. It serves domestic and multi-national corporations, universities, and research institutions. The company was formerly known as Superconductive Components, Inc. and changed its name to SCI Engineered Materials, Inc. in 2007. SCI Engineered Materials, Inc. was incorporated in 1987 and is headquartered in Columbus, Ohio.